U.S. Republican congressmen hold copies of "The FY2013 Budget - The Path to Prosperity" which was unveiled by House Budget Chairman Ryan during a news conference at Capitol Hill in Washington

U.S. Republican congressmen hold copies of "The FY2013 Budget - The Path to Prosperity" which was unveiled by House Budget Chairman Paul Ryan (R-WI) during a news conference at Capitol Hill in Washington March 20, 2012. U.S. House Republicans on Tuesday unveiled an ambitious plan to cut and simplify taxes, slash spending and make a new run at overhauling the Medicare health program in a bid to draw a stark election-year contrast between their vision and that of President Barack Obama. REUTERS/Jose Luis Magana (UNITED STATES - Tags: POLITICS BUSINESS)