The president meets Mexican President Felipe Calderon's family including their golden retriever on April 16, 2009.

Security agents fan out in Mexico City as Presidents Obama and Calderon chat before their press conference on April 16, 2009.

President Calderon introduces dinner guests to President Obama on April 16, 2009.

Aboard Air Force One en route to Trinidad and Tobago, President Obama works on his opening remarks to the Summit of the Americas with speechwriter Adam Frankel on April 17, 2009.

A red carpet is rolled out after Air Force One arrives in Port of Spain, Trinidad on April 17, 2009.

President Obama greets Costa Rican President Oscar Arias during the opening reception at the Summit of the Americas in Port of Spain, Trinidad on April 17, 2009. Also pictured are Brazilian President Luiz Lula da Silva, middle, and Dominican Republic President Leonel Fernandez, far right.

White House aides review President Obama's opening remarks one last time on April 17, 2009. From left, Mark Lippert, Adam Frankel (standing), Denis McDonough, Robert Gibbs, and Dan Restrepo.

President Obama walks back to his seat after giving his opening remarks at the Summit of the Americas on April 17, 2009.

President Obama participates in a multilateral meeting with CARICOM (Caribbean Community), a side meeting at the main Summit on April 17, 2009.

Backstage, President Obama checks his watch to see how late they will start the opening plenary session of the Summit of the Americas on April 18, 2009.

President Obama confers in a hallway with Canadian Prime Minister Stephen Harper as trip director Marvin Nicholson checks for a cue on whether the other heads of state are ready for the group photo on April 18, 2009.

President Obama applauds during the heads of state retreat at the last session of the Summit of the Americas on April 19, 2009.

"Which way?" the President asks as he heads to the motorcade following the last session of the Summit of the Americas on April 19, 2009.

In a sweltering heat, President Obama conducts a wrap-up press conference in Port of Spain, Trinidad on April 19, 2009.

World-famous cricket legend Brian Lara shows President Obama how to properly swing a bat on April 19, 2009.

President Obama removes his suit coat as he enters the presidential limousine en route to the airport on April 19, 2009.

The president greets people at the Port of Spain airport before departing for Washington, D.C. on April 19, 2009.

Trinidad and Tobago foreign minister Paula Gopee-Scoon bids farewell to President Obama at the airport on April 19, 2009.

President Obama boards Air Force One for the flight home to Washington as a security blimp hovers overhead on April 19, 2009.

On the flight back, President Obama recaps the trip with some of the Congressional delegation accompanying him on April 19, 2009.