The U.S.-brokered agreement, announced in a joint statement by the U.S., Israel and Lebanon Wednesday, comes after Israeli forces made their deepest incursion into Lebanon in more than a quarter century. But it includes several contentious points, including the creation of “pilot” security zones inside Lebanon from which the Iran-backed Hezbollah militant group that Israel has been fighting would be banned, and a stipulation about the group’s eventual disbanding. Hezbollah on Thursday rejected