Trump’s GOP clout faces Arizona test with House majority, governor’s race at stake

President Donald Trump's immense clout over the GOP and the power of his endorsements in Republican nomination races face their latest test Tuesday, as Arizona holds primary elections. Trump's endorsements in a handful of key races, including in a top swing congressional district, could impact the midterm battles for the House majority and control of governors' offices. Trump is backing Rep. Andy Biggs, a former House Freedom Caucus chairman, for the GOP gubernatorial nomination and the chance t