Via Politico’s Dylan Byers, who’s apparently been rendered speechless by this spectacle. The idea here, I take it, was to show that supporting gay marriage is so obvious that even a five-year-old can arrive at the right conclusion if left to reason her way through it. That’s not how it comes off; you get the sense that this segment would have run for 20 minutes, with Krystal Ball nudging all the way, if that’s how long it would have taken to arrive at the favored result. I hope they keep this up and expand it to other hot-button issues. I’d...