Obama: 'We don't know the motive of the killer' in Baton Rouge, says 'attacks on police are attacks on all of us'
Obama on shooting of police officers in Baton Rouge: 'I know whenever this happens, wherever this happens, you feel it'
Obama to law enforcement: 'What I want you to feel today is the respect and gratitude of the American people for everything you do'
Obama on police shootings: 'It is up to all of us to make sure we are part of the solution, and not part of the problem'