When I was in Vietnam I learned a lot about the promises that soldiers make to each other. The Marines have a promise to never leave behind their dead. In this country, as citizen soldiers, we need to make the commitment to each other that we will never leave our veterans behind.

[Bashar] Assad himself has said on several occasions recently that if the people of Syria don't believe I should be there in the future, then I would step - I would leave. He has said it. He has, on occasion, hinted that he wants a political settlement of one kind or another. I think it's up to his supporters, his strongest supporters, to make it clear to him that if you're going to save Syria, Assad has made a set of choices - barrel bombing children, gassing his people, torturing his people, engaging in starvation as a tactic of war.

I'm John Kerry, and I'm reporting for duty.

Republican secretaries of state from Kissinger to Baker, Powell to Rice, President Bush, 71 United States Senators all supported President Obama's new START treaty, but not Mitt Romney.

The Russians need to understand that you cannot have peace [in Syria] unless you resolve the question of Sunni buy-in.

We need a new approach to national security - a bold, progressive internationalism that stands in stark contrast to the too often belligerent and myopic unilateralism of the Bush Administration.

A fundamental premise of politics is we can make this work if people just never figure it out.