President Obama has made the Asia Pacific region a focus of his foreign policy, and Vietnam - a large, growing economy in the heart of Southeast Asia - is critical to those efforts.

I think one of the critiques of me is that I thought I knew it all. But I was learning from the enormous resources available within the U.S. government who have a very different view of the world than many of the people commenting on foreign policy from outside of the government.

When it comes to Israel's security, our military and intelligence cooperation, that's off limits. That's protected. That's sacrosanct.

Talking and diplomacy is often seen as a concession in America, in a way that it is not in other places.

The American people want to have trust in their leaders.

Ever since I was defense minister, I have participated in global meetings on the issue of climate and security.

Numerous studies, and my own experience as a serial entrepreneur, have proven that companies with a diverse management team provide greater financial returns to investors.

The climate continues to deteriorate.