The U.S. has transferred a significant number of Patriot antimissile interceptors to Saudi Arabia in recent weeks as the Biden administration looks to ease what has been a point of tension in the increasingly complicated U.S.-Saudi relationship. A senior administration official confirmed Sunday night that the interceptors have been sent to Saudi Arabia. The official, who spoke on the condition of anonymity to discuss a decision that has not been formally announced, said the decision was in line with President Joe Biden’s promise that “America will have the backs of our friends in the region.” …