CIA Director William Burns warned Monday of the potential for simmering clashes in the Middle East to spread across the region even as, he said, the U.S. intelligence community had assessed the leaders of Iran and Israel are not looking for "all-out conflict." "[W]e face the very real danger of a further regional escalation of conflict," Burns said during a moderated question-and-answer session at the annual Cipher Brief threat conference in Sea Island, Georgia. He said Israel's...