Secretary of State Antony Blinken is heading to the Middle East this weekend for the fourth time in three months on a tour expected to focus largely on easing resurgent fears that the Israel-Hamas war could erupt into a broader conflict. With international criticism of Israel's operations in Gaza mounting, growing US concerns about the end game, and more immediate worries about a recent explosion in attacks in the Red Sea, Lebanon, Iran and Iraq, Blinken will have a packed and difficult agenda, as FRANCE 24's International Affairs Commentator Douglas Herbert explans.