‘Tonight': Mayor Pete Buttigieg Discusses His 2020 Campaign and ‘Game of Thrones' Predictions

South Bend, Indiana, Mayor Pete Buttigieg explains how he tracked down Jerry Seinfeld to make him accept a key to the city, reacts to Trump’s nickname for him, breaks down his 2020 campaign platform and shares his analysis about who will claim the Iron Throne in “Game of Thrones.”