Israel Warns Syria on Deadly Bus Blasts JERUSALEM - Israeli leaders warned Syria on Wednesday that it bears the blame for a double suicide bombing by Hamas militants because it harbors the group's leadership, and they hinted at possible retaliation.    In a first response to Tuesday's attack that killed 16 people in a southern Israeli city, Israeli troops blew up the home of one of the bombers and isolated the West Bank city of Hebron, where the attackers lived...