Gary Hart, a U.S. senator from Colorado, is the widely accepted front-runner in the race for the Democratic presidential nomination. After losing the 1984 nomination to vice-president Walter ...

Joining the series as guest stars are Tracy Letts ("August: Osage County," "Saturday Night"), Molly Ephraim ("Last Man Standing," "A League of Their Own"), Mo Welch ("Krapopolis," "Dad Jokes ...