Vice President Joseph R. Biden Jr. (right) administers the oath of office to David H. Petraeus during Mr. Petraeus' swearing-in ceremony as CIA director on Tuesday, Sept., 6, 2011, in the Roosevelt Room of the White House in Washington. Holding the Bible is Mr. Petraeus' wife, Holly Knowlton Petraeus. (AP Photo/Pablo Martinez Monsivais)