WASHINGTON - MARCH 05: Chairman Robert Casey (D-PA),(L) and Rep. Elijah Cummings (D-MD), participate in a Joint Economic Committee hearing on Capitol Hill on March 5, 2010 in Washington, DC. The committee is hearing testimony on recent developments in the ...

Robert Casey, D-PA., with members of the media following a news conference on Capitol Hill in Washington, Thursday, Dec. 17, 2009. (AP Photo/Pablo Martinez Monsivais)

Sen. Paul Kirk, D-Mass., center, accompanied by Sen. Tom Harkin, D-Iowa, left, and Sen. Robert Casey, D-Pa., right, speaks during a health care news conference on Capitol Hill, in Washington, Friday, Dec. 11, 2009. (AP Photo/Pablo Martinez Monsivais)

WASHINGTON - DECEMBER 11: Kelly Buckland (L) of the National Council on Independent Living and Elizabeth Priaulx (C) join Sen. Christopher Dodd (D-CT)(2nd-L), Sen. Tom Harkin (D-IA) (3rd-R), Sen. Robert Casey (D-PA)(2nd-R) and Sen. Paul Kirk (D-MA)(R), in ...