Congressman Thomas Massie is facing a $20 million attack orchestrated by Donald Trump, who is backing a challenger against him in the Republican primary due to Massie's nonconformity with Trump’s policies, and the outcome could determine the extent of Trump's influence within the party as the election approaches. #TrumpVsMassie #RepublicanPrimary #PoliticalChallenge

Trump v Massie: Could president's Republican nemesis survive $20m attack to oust him?