"Every day that goes by, this just becomes more and more of a reality television show. It's not a serious presidential campaign."
"I think it's clear that the increasing threat posed by North Korea requires not only a rethinking of the strategy, but an urgent effort to convince the neighbors, most particularly China that was not ..."
"Putting ground troops in would not be in the best interests in the fight against ISIS and the other terrorist groups."
"She called Trump unpatriotic, insulting, and scary, and said it suggests Trump would let Putin do whatever he wants to do."
"Actually, it's just what taking the office of President seriously looks like."
"... my voting to give President Bush that authority was, from my perspective, my mistake."
"But I will also be as careful as I can in making the most significant decisions any president and commander-in-chief can make."
"Well, you could look on a map and find Aleppo."
"We have to defeat ISIS. That is my highest counterterrorism goal. And we've got to do it with air power. We've got to do it with much more support for the Arabs and the Kurds who will fight on the gro..."
"We're not putting ground troops into Iraq ever again. And we're not putting ground troops into Syria. We're going to defeat ISIS without committing American ground troops."
"I did exactly what I should have done and I take it very seriously, always have, always will."
"Clearly, his tax returns tell a story that the American people deserve and need to know."