You've got to deploy serious political assets around a plan [in Darfur]. And the George W.] Bush administration has never had a plan. Ever. The Europeans don't want to do anything, saying, "The Americans are in charge of that." And in fact the Americans are in charge of naming it and bringing these resolutions every few weeks to the Security Council.

When it came to the Vietnam War, Mr. McNamara was an early advocate of escalation but came to realize the flaws in the American approach earlier than many of his colleagues. Yet in public, he continued to defend the war.

No more than a surgeon can operate while tweeting can you reach your potential with one ear in, one ear out. You actually have to reacquaint yourself with concentration. We all do.

The key to U.N. reform is giving Americans a clearer picture of what the U.N. is and what it isn't, what it can be and what it can't be.

Engaging Iran won't guarantee improved U.S.-Iranian relations or a more stable Gulf region. But not engaging means more of the same.

We need to deter the Palestinians in any way we can.

India is at the vanguard of figuring out how to exploit technology and innovation on behalf of democratic accountability.