In this day and age, the U.S. and Europe do not have the luxury of focusing solely on a single region.

Bashar al-Assad and those who still stand by him are now responsible for the deaths of more than 20,000 in Syria.

I may not be able to work for anybody else again. I may just have to work for myself.

There is not an inherent contradiction between a Ukraine that has longstanding historic and cultural ties to Russia, and a modern Ukraine that wants to integrate more closely with Europe.

I think it's very, very important that in foreign policy and national security decision making, as in any other realm, that there be a range of diversity that reflects the full complexity of America. We should draw on those experiences to inform our decision making.

We must be honest in acknowledging that neither Germany nor the US has the luxury of assuming that we can skate by on half-measures in Afghanistan and Pakistan and not risk suffering the consequences.

We are safer if there are not nuclear arsenals around the planet that can be utilized, stolen, sold to terrorists and others who would do harm.