Gaffe-prone President Biden evoked winces from his entourage Saturday as he spoke of the “selfishness” of American troops on the final day of his trip to the Middle East. “For the first time since 9/11, an American President is visiting this region without American troops being engaged in combat — in a combat mission in the region,” Biden said during a speech to the leaders of the Gulf Cooperation Council in Jeddah, Saudi Arabia. “We’ll always honor the bravery and selfishness — selflessness of the — and sacrifices of the Americans who served, including my son, Major Beau Biden, who...