The most striking thing is that even before Osama bin Laden was killed, he seemed largely irrelevant to the Arab Spring.

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

Saddam Hussein had nerve gas and used it against his own people, he had used chemical weapons against the Iranians and he almost had a nuclear bomb in 1981 and in 1991. And he had been caught with anthrax in 1995 by the UN inspections after denying that he had it.

I mean, we're going to probably debate the Iraq war for at least as long as I'm alive.

People change their habits. I know Americans who don't go to Paris because they think it is too dangerous.

We are already seeing a degree of instability in the world because Obama seems to have consciously wanted to step back. Donald Trump is going to be "Obama squared," a more extreme version of the same thing.

Firing employees, that's unfortunately part of doing business.