In this Jan. 7, 2013 file photo, President Barack Obama shakes hands with Defense Secretary-nominee, former Nebraska Sen. Chuck Hagel, in the East Room of
In this Jan. 7, 2013 file photo, President Barack Obama shakes hands with Defense Secretary-nominee, former Nebraska Sen. Chuck Hagel, in the East Room of the White House in Washington. Hagel says his months fighting in Vietnam alongside his brother Tom shaped his view of what it's like to be a soldier in war, an experience that will inform his work if the Senate confirms him to be defense secretary. (AP Photo/Pablo Martinez Monsivais. File)