** FILE ** Senate Armed Services Committee member Sen. Kelly Ayotte, R-N.H., questions former Nebraska Republican Sen. Chuck Hagel, President Obama's choice to lead the Pentagon, during his confirmation hearing on Capitol Hill in Washington, in this Jan. 31, 2013 file photo. A woman whose mother was killed in last year's school shooting in Newtown, Conn., confronted Ms. Ayotte Tuesday, April 30, 2013, during the senator's first public appearance in New Hampshire since voting against gun control legislation. (AP Photo/J. Scott Applewhite, File)

Photo by: J. Scott Applewhite

** FILE ** Senate Armed Services Committee member Sen. Kelly Ayotte, R-N.H., questions former Nebraska Republican Sen. Chuck Hagel, President Obama's choice to lead the Pentagon, during his confirmation hearing on Capitol Hill in Washington, in this Jan. 31, 2013 file photo. A woman whose mother was killed in last year's school shooting in Newtown, Conn., confronted Ms. Ayotte Tuesday, April 30, 2013, during the senator's first public appearance in New Hampshire since voting against gun control legislation. (AP Photo/J. Scott Applewhite, File)