On September 18, Jon Lovett, the former Barack Obama speechwriter and host of the political comedy podcast Lovett or Leave It, welcomed left-wing personality Hasan Piker to his show, calling Piker “the star of this year’s midterm elections” and “America’s sweetheart.”Then, in a mock-serious tone, Lovett, a co-founder of Crooked Media, which produces the podcast, declared: “I do want to get this out of the way: I denounce you.”That elicited a chu…