U.S. President-elect Barack Obama introduces former U.S. Senate Majority Leader Tom Daschle (R) as Secretary of the Department of Health and Human Services during a news conference in Chicago, in this file photo from December 11, 2008. Daschle withdrew his nomination as President Barack Obama's health secretary February 3, 2009, saying he did not want to be a distraction after paying $140,000 in back taxes. REUTERS/Jeff Haynes/Files (UNITED STATES)