Putin is behaving in a very dangerous way. And Donald Trump sounds as though he would simply sit back and allow that to go on. I worry about where that would end up.

The American people are pretty impressive in their ability to keep after something if they think it is doable.

It's a very bad thing when people exterminate other people, and people persecute minorities.

The only way you can be comfortable about Donald Trump's foreign policy, is to think he doesn't really mean anything he says.

To stay back from an intervention is not always a good solution.

Putin is behaving in a very dangerous way. And Donald Trump sounds as though he would simply sit back and allow that to go on. I worry about where that would end up.

For the private sector to flourish, special privilege must give way to equal opportunity and equal risk for all.