We know that Donald Trump has shown a very troubling willingness to back up Putin, to support Putin, whether it's saying that NATO wouldn't come to the rescue of allies if they were invaded, talking about removing sanctions from Russian officials after they were imposed by the United States and Europe together, because of Russia's aggressiveness in Crimea and Ukraine, his praise for Putin which is I think quite remarkable.

I like to remember what Michelle Obama said in her amazing speech at our Democratic National Convention: When they go low, we go high. And Barack Obama went high, despite Donald Trump's best efforts to bring him down.

The only wealth I have to give, is not material - and if you need much more than that, I'm not available.

It's really hard to get to know me, or any candidate. And I would be asked questions like, well, why are you really running for president?

Incomes went up for everybody. Manufacturing jobs went up also in the 1990s, if we're actually going to look at the facts.

It is difficult finding intelligence that is actionable in a lot of these places, but we have to keep trying.

I remember, particularly, a trip to Bosnia where the welcoming ceremony had to be moved inside because of sniper fire.