House Budget Committee Chairman Rep. Paul Ryan, R-Wis. arrives at the West Wing of the White House in Washington, Thursday, March 7, 2013. President Barack Obama is having a private lunch with Ryan and the committee's ranking Democrat Rep. Chris Van Hollen, D-Md. (AP Photo/Pablo Martinez Monsivais)

Snow falls on tourists stopping in front of the White House in Washington, Wednesday, March 6, 2013. Schools, businesses and the federal government closed in anticipation of a snow storm that could blanket the region. (AP Photo/Pablo Martinez Monsivais)

Rep. Chris Van Hollen, D-Md., the ranking Democrat on the House Budget Committee, arrives at the West Wing of the White House in Washington, Thursday, March 7, 2013. President Barack Obama is having a private lunch with Van Hollen and committee chairman Rep. Paul Ryan, R-Wis. (AP Photo/Pablo Martinez Monsivais)

Rep. Chris Van Hollen, D-Md., ranking Democrat on the House Budget Committee, right, arrives at the West Wing of the White House in Washington, Thursday, March 7, 2013. President Barack Obama is having a private lunch with Van Hollen and committee chairman Rep. Paul Ryan, R-Wis. (AP Photo/Pablo Martinez Monsivais)

Sen. Saxby Chambliss, R-Ga., left, Sen. Tom Coburn, R-Ok., center left, Sen. Ron Johnson, R-Wisc., center right, and Sen. Bob Corker, R-Tenn., depart the Jefferson Hotel after a dinner meeting hosted by President Barack Obama for a few Republican Senators in Washington, Wednesday, March 6, 2013. Obama's efforts are aimed at jumpstarting budget talks and rallying support for his proposals on immigration and gun control. (AP Photo/Cliff Owen)

Warren Jewel listens at left as he wife, Interior Secretary nominee Sally Jewel testifies on Capitol Hill in Washington, Thursday, March 7, 2013, before the Senate Energy and Natural Resources Committee hearing on her nomination. (AP Photo/Cliff Owen)

House Speaker John Boehner of Ohio meets with reporters on Capitol Hill in Washington, Thursday, March 7, 2013. Republicans pushed legislation through the House on Wednesday to prevent a government shutdown this month while easing the short-term impact of $85 billion in spending cuts — at the same time previewing a longer-term plan to erase federal deficits without raising taxes. (AP Photo/J. Scott Applewhite)

Speaker of the House John Boehner, R-Ohio, leaves the chamber after Republicans passed legislation through the House to ease the impact of $85 billion in short-term cuts and prevent a government shutdown later this month, on Capitol Hill in Washington, Wednesday, March 6, 2013. (AP Photo/J. Scott Applewhite)

CORRECTS SPELLING OF LAST NAME FROM JEWEL TO JEWELL - Warren Jewell listens at left as he wife, Interior Secretary nominee Sally Jewell testifies on Capitol Hill in Washington, Thursday, March 7, 2013, before the Senate Energy and Natural Resources Committee hearing on her nomination. (AP Photo/Cliff Owen)

Sen. John McCain, R-Ariz., gives a thumbs up as he emerges from a private dinner with President Barack Obama and Republican senators at the Jefferson Hotel in Washington, Wednesday, March 6, 2013. (AP Photo/Charles Dharapak)

Sen. Saxby Chambliss, R-Ga., left, Sen. Tom Coburn, R-Ok., center left, Sen. Ron Johnson, R-Wisc., center right, and Sen. Bob Corker, R-Tenn., depart the Jefferson Hotel after a dinner meeting hosted by President Barack Obama for a few Republican Senators in Washington, Wednesday, March 6, 2013. Obama's efforts are aimed at jumpstarting budget talks and rallying support for his proposals on immigration and gun control. (AP Photo/Cliff Owen)