Tuesday night’s debate performance from Sen. J.D. Vance (R-OH) should “terrify” anyone who cares about democracy, according to a New York Times columnist who argued that Donald Trump’s vice presidential running mate “is just as sinister” as Trump — but far better produced for middle-of-the-road voters. In a new op-ed published Wednesday, opinion columnist Tressie McMillan Cottom suggested that Vance’s audition to lead the Republican party after Trump is working. “What you saw on Tuesday in the vice-presidential debate was an audition for the leader of the post-Trump Republican Party,” Cottom w…