YUMA: Two years ago, Fernando Nunez went door-to-door in searing heat to help Donald Trump win Arizona and take back the White House.But in next week's midterm. He did a whole 180," said the 22-year-old American, whose family has Mexican roots.Nunez had been drawn to the Republican billionaire's promises: lowering prices, ending international wars, and releasing all of the files in the Jeffrey Epstein probe.