Two U.S. Marines watch a video during a public memorial service for slain U.S. Ambassador to Libya Christopher Stevens in San Francisco, California

 
Two U.S. Marines watch a video during a public memorial service for slain U.S. Ambassador to Libya Christopher Stevens in San Francisco, California
Two Marines watch a video during a public memorial service for slain U.S. Ambassador to Libya Christopher Stevens in San Francisco, California October 16, 2012. REUTERS/Stephen Lam