President Donald Trump disembarks Air Force One at Joint Base Andrews, Md., on Sunday, Oct. 25, 2026, en route to Washington after attending a midterm campaign rally in Michigan. (Haiyun Jiang/The New York Times) By DAVID E. SANGER and BAYLISS WAGNER President Donald Trump turned to Islamophobic stereotypes to motivate Michigan Republicans on Sunday, claiming at a rally that Abdul El-Sayed, the Democratic Senate nominee, if elected, would bring a wave of jihadis to the United States. “If…