Before I could become a military officer or a Member of Congress, I was required to do one thing: Take an oath to the Constitution.

Military members understand that the focus is on completing the mission. We don't care if you are tall or short; have dark skin or pale skin or freckles; or are gay, straight, or transgender.

A comprehensive Syria strategy, ideally one that's more than 280 characters, remains a key requirement to protect U.S. interests in the Middle East.

The U.S. cannot implement a cogent strategy on the world stage if no one is sure whether to take the President seriously.

Harvard is a wondrously tolerant climate for debate and exchange among a wide variety of thoughts, backgrounds, and beliefs, but the voice of religion on campus is largely inaudible.

Crocodiles are an apex predator and crucial to the ecosystem, keeping waterways and wetlands healthy. Crocodiles eradicate the weak, sick, and injured wildlife, leaving only the healthy to prosper.

We're not trying to reinvent the wheel; for any environmental organization to claim sole responsibility for any kind of victory is insane, because everybody attacks these problems as a group.

The problems of the world, from immigration to populism to income inequality to sustainability to peacekeeping, require a well-functioning supranational body.