It is an axiom of political life that you never raise expectations, whether in a political or military campaign, because your defeats are then magnified and your victories discounted.

Science has everything to say about what is possible. Science has nothing to say about what is permissible.

Preemption is a kind of pre-deterrence that stops the threat at an earlier, safer stage.

I think if you're going to master policy, especially world affairs, you've got to know history.

The international community lies at the center of the Obama foreign policy. Unfortunately, it is a fiction. There is no such thing. Different countries have different histories, geographies, necessities, and interests. There's no natural, inherent, or enduring international community.

I am not religious. I do not believe that personhood is conferred upon conception. But I also do not believe that a human embryo is the moral equivalent of a hangnail and deserves no more respect than an appendix.

The Houthi have local religious grievances, being Shiites in a majority Sunni land. But they are also agents of Shiite Iran, which arms, trains, and advises them. Their slogan - 'God is great. Death to America. Death to Israel' - could have been written in Persian.