Nominations of Christopher Padilla, Christina Pearson, and Benjamin Sasse : hearing before the Committee on Finance, United States Senate, One Hundred Tenth Congress, first session, on the nominations of Hon. Christopher A. Padilla, to be Under Secretary, International Trade, Department of Commerce; Christina H. Pearson, to be Assistant Secretary, Public Affairs, Department of Health and Human Services; and Dr. Benjamin Sasse, to be Assistant Secretary, Planning and Evaluation, Department of Health and Human Services, November 1, 2007. (U.S. G.P.O.,, 2007)