
**FILE** House Budget Committee Chairman Rep. Paul Ryan, Wisconsin Republican, holds up a copy of the House Budget Committee 2014 Budget Resolution as he speaks during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

** FILE ** House Budget Committee Chairman Paul Ryan, Wisconsin Republican, speaks about the 2014 Budget Resolution during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

House Budget Committee Chairman Paul Ryan, Wisconsin Republican, speaks about the 2014 Budget Resolution during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

House Budget Committee Chairman Rep. Paul Ryan, R-Wis., holds up a copy of the House Budget Committee 2014 Budget Resolution as he speaks during a news conference on Capitol Hill in Washington, Tuesday, March 12, 2013. (AP Photo/Carolyn Kaster)

House Budget Committee Chairman Rep. Paul Ryan, R-Wis., holds up a copy of the House Budget Committee 2014 Budget Resolution as he speaks during a news conference on Capitol Hill in Washington, Tuesday, March 12, 2013. (AP Photo/Carolyn Kaster)

**FILE** House Budget Committee Chairman Rep. Paul Ryan, Wisconsin Republican, holds up a copy of the House Budget Committee 2014 Budget Resolution as he speaks during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

House Budget Committee Chairman Rep. Paul Ryan, Wisconsin Republican, speaks about the 2014 Budget Resolution during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

** FILE ** House Budget Committee Chairman Paul Ryan, Wisconsin Republican, speaks about the 2014 Budget Resolution during a news conference on Capitol Hill in Washington on March 12, 2013. (Associated Press)

** FILE ** Rep. Paul Ryan, Wisconsin Republican, arrives at the West Wing of the White House in Washington on Thursday, March 7, 2013. President Obama had a private lunch with Mr. Ryan, House Budget Committee chairman, and Rep. Chris Van Hollen, Maryland Democrat and ranking member on the panel. (AP Photo/Pablo Martinez Monsivais)