JD Vance will visit Hungary on Tuesday in an 11th-hour attempt to boost key MAGA ally Prime Minister Viktor Orbán before an all-important election on Sunday, but the U.S. vice president’s trip appears unlikely to swing an increasingly bitter race. Orbán says he is “looking forward” to Vance’s trip, and with a Budapest press conference and a flag-waving rally at a 24,000-seat football stadium on Tuesday will be attempting to seize what momentum he can from it. For the Hungarian prime minister it’s a singular opportunity to portray himself as the Trump administration’s pre-eminent European ally. For the White House,...