Republican presidential candidate U.S. Senator Sam Brownback stands next to the U.S. income tax code as he speaks at the Americans for Prosperity Foundation's Defending the American Dream Summit in Wa

 
Republican presidential candidate U.S. Senator Sam Brownback stands next to the U.S. income tax code as he speaks at the Americans for Prosperity Foundation
Republican presidential candidate U.S. Senator Sam Brownback (R-KS) stands next to the U.S. income tax code as he speaks at the Americans for Prosperity Foundation's Defending the American Dream Summit in Washington, October 5, 2007. REUTERS/Jim Young (UNITED STATES)