It’s a tough time to be the top diplomat representing the world’s sole superpower. Israelis and Palestinians are at war. Iraq and Syria are convulsed by civil strife. Libya’s security situation is rapidly deteriorating. Tensions between Russia and Ukraine threaten to explode. Afghanistan is enmeshed in an election crisis. A nuclear agreement with Iran remains elusive. And at this crucial juncture, Secretary of State John Kerry has jetted off to […]