The conversations have been cordial. [Donald Trump] has been open to suggestions, and the main thing that I've tried to transmit is that there's a different between governing and campaigning, so that what he has to appreciate is as soon as you walk into this office after you've been sworn in, you're now in charge of the largest organization on Earth.
Barack ObamaMy God, Donald Trump is unfit! He's ill-tempered, he's unsuited, he is not qualified, he's unsuited to be president.
Barack ObamaI don't oppose all wars. What I am opposed to is a dumb war. What I am opposed to is a rash war.
Barack ObamaWhen any kind of military action is popular it's because either there's been a very clear, direct threat to us - 9/11 - or an administration uses various hooks to suggest that American interests were directly threatened - like in Panama or Grenada. And sometimes, those hooks are more persuasive than others, but typically, they're not put before Congress.
Barack Obama