http://www.slate.com/articles/news_and_politics/foreigners/2015/07/john_kerry_is_saying_too_much_about_the_iran_deal_america_s_secretary_of.html

John Kerry, the U.S. secretary of state, is a thoughtful, honest man. He’s remarkably adept at seeing conflicts and issues from the perspectives of other people. That makes him a good person and, in many ways, a good diplomat. But it made him a clumsy presidential candidate, prone to expressing arguments on both sides of every issue. It also makes him an awkward spokesman for his country.