President Trump will sign an executive order Wednesday delivering on a key campaign promise to ban transgender athletes from girls’ and women’s sports, a directive that will also extend to trans athletes visiting the U.S. from abroad, a White House official said. The order, which Trump will sign at a ceremony in Washington, will target visas issued to transgender professional and elite athletes traveling to the U.S. to compete in women’s athletic competitions. Among other events, the U.S. is set to host the Summer Olympic Games in Los Angeles in 2028. “If you are coming into the country and you...