U.S. Secretary of State John Kerry said on Tuesday Washington was increasingly confident that weapons being sent to the Syrian opposition by other countries were going to moderate forces. Kerry, on his first overseas tour since taking office, told a news conference in Doha he had held talks with nations in the region about the kinds of arms being sent to the different Syrian opposition forces. Saudi Arabia and Qatar are widely believed to be providing weapons to the rebels, but the United States says it does not wish to send arms for fear they may find their way to...