Vice President Joe Biden smiles as he makes a call on the cell phone of Costco employee Ivey Stewart, left, after shopping at the a Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden hugs Ivey Stewart, a Costco employee, after shopping at Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden checks out after shopping at Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden talks with Costco employees in the bakery section of the store while shopping at Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden pushes his cart after shopping at Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden talks with Costco employees in the bakery section of the store while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden samples food while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden samples food while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden goes to hug Costco employee Ivey Stewart, left, after shopping at the a Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden tries on a watch while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden looks over a selection of books while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden looks over a selection of books while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden walks over to hug Costco employee Ivey Stewart, left, after shopping at the a Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden looks at watches in the jewelry section while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden gestures as he talks to reporters as he pushes his cart after shopping at Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden, left, standing next to Costco co-founder Jim Sinegal, right, shows his Costco membership card as he arrives to shop at the new Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden, standing next to Costco co-founder Jim Sinegal, poses for a photo and shows his Costco membership card as he arrived to shop at the new Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden looks over a selection of items in the bakery section while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
Vice President Joe Biden reacts after being asked to sample food from the bakery section while shopping at a Costco in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
US Vice President Joe Biden shops during a visit to a Costco store in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
Costco co-founder Jim Sinegal walks through a Costco store while US Vice President Joe Biden makes a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden visits a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden visits a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden shops for pies during a visit to a Costco store in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
Costco co-founder Jim Sinegal walks through a Costco store while US Vice President Joe Biden makes a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden holds up his Costco card alongside Costco co-founder Jim Sinegal (R) during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden holds up his Costco card alongside Costco co-founder Jim Sinegal (R) during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden holds up his Costco card alongside Costco co-founder Jim Sinegal (R) during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
Vice President Joe Biden shakes hands with Costco CEO Craig Jelinek, right, as co-founder Jim Sinegal watches at center, after Biden arrived to shop at the new Costco store in Washington, Thursday, Nov. 29, 2012. Biden went shopping for presents and to highlight the importance of renewing middle-class tax cuts so families and businesses have more certainty at this critical time for our economy. (AP Photo/Susan Walsh)
US Vice President Joe Biden greets customers as he shops during a visit to a Costco store in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden tries on a watch during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden checks out his purchases during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden looks at watches and jewelry during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden eats a food sample during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden looks at watches and jewelry during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden tries food samples during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden talks on an employee's cellphone during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden greets a store workers as he shops for pies during a visit to a Costco store in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
A flat screen television purchased by US Vice President Joe Biden appears in the back of a limousine after Biden arrived at the White House following a shopping trip to a Costco store in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden selects books to give as gifts to charity during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden pushes a full shopping cart during a visit to a Costco store in Washington, DC, on November 29, 2012, to purchase Christmas gifts. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden selects books to give as gifts to charity during a visit to a Costco store on a shopping trip in Washington, DC, on November 29, 2012. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
US Vice President Joe Biden pushes a full shopping cart during a visit to a Costco store in Washington, DC, on November 29, 2012, to purchase Christmas gifts. Biden made the visit to the first Costco store located in Washington, DC, during its grand opening. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images
Vice President Joe Biden shopped at Costco Thursday, November 29, 2012. … Read More