In a letter to Senate Majority Leader Frist and Speaker Hastert, Senate Democratic Leader Daschle, House Democratic Leader Pelosi, Rep. Waxman, and ten other congressional leaders call the failure to investigate the Administration’s withholding of Medicare cost estimates from Congress a gross abdication of Congress’ constitutional oversight responsibility. In a letter to the President, the members ask the President to provide complete answers to straightforward questions on his role in the matter.