Just a couple of weeks after CNN happily acquiesced to a quickly improvised "town hall" meeting for President Obama to promote gun control, they once again agreed with the Democrats to provide a "town hall" event with Iowa voters. It was not a debate, where the candidates would spar, but an orderly event to allow all three candidates to promote themselves for a half-hour. For the most part, it was a night of softballs. CNN carefully prescreened both the questions and the questioners and made it so. The closest thing to a hardball for Hillary Clinton came from young mop-topped...