Wolf Blitzer and his fellow moderators questioned the winner of the past three nominating contests over everything from his unreleased tax returns to his horrendous polling numbers among Hispanics. Trump, though, remained largely calm throughout the night, giving nearly as good as he got during two-plus hours on the Houston stage. He didn't win every individual skirmish, but with more likely victories awaiting him on Super Tuesday, he won enough to leave Texas in the same position that he arrived: as the clear front-runner.