After a Year in Office, the Biggest Puzzle Remains: What Makes Kerry Tick?

Is the secretary of state obsessed with the Middle East? Is it his desire to enter the history books or possibly his tangled Jewish roots? Or does he like to live dangerously and take foolhardy risks?

A sharp-eyed American source was the first to define the two main ingredients of the skeptics’ diagnosis of John Kerry’s first year in office. The former Massachusetts senator is "determined to the point of obsession” to change the tone and direction of relations between Israel and the Palestinians, the source told...