U.S. Secretary of State Antony Blinken is set to visit Saudi Arabia this week for talks that could be the “last chance” for a truce in Gaza before Israel’s looming invasion of the southern city of Rafah. Blinken will hold meetings Monday and Tuesday to “discuss ongoing efforts to achieve a ceasefire in Gaza that secures the release of hostages and how it is Hamas that is standing between the Palestinian people and a ceasefire,” State Department spokesperson Matthew Miller said in a statement Saturday. Israeli Foreign Minister Israel Katz also said Saturday that a breakthrough involving the 133…