Senator Claire McCaskill, running for a third term in the Senate, continues to define herself as a  moderate Democrat in a state that has grown almost entirely red. Her opponent, Josh Hawley, a fierce young supporter of President Trump, describes her as a left-wing liberal allied with Washington and Hollywood elites. Nicholas Lemann, who recently profiled McCaskill for The New Yorker, joins Dorothy Wickenden to discuss the plight of Democrats running for Congress in Trump country.