Article Photos: Obama grieves, promises to use power to help



President Barack Obama leaves the podium after speaking about the school shooting in Newtown, Conn., Friday, Dec. 14, 2012, in the briefing room of the White House in Washington. (AP Photo/Charles Dharapak)

President Barack Obama leaves the podium after speaking about the school shooting in Newtown, Conn., Friday, Dec. 14, 2012, in the briefing room of the White House in Washington. (AP Photo/Charles Dharapak)