Back in December, a top Ted Cruz surrogate launched a sexist attack on Carly Fiorina, tweeting that Fiorina went “full vag” during a debate. Steve Deace, an Iowa-based talk show host, not only endorsed Cruz but is also a prominent campaign surrogate for the Texas senator. Cruz has hailed Deace as “a truth-teller, a courageous conservative, and a powerful voice for liberty,” featured him in a campaign advertisement and added him to his Iowa leadership team. Deace eventually apologized for the anti-Fiorina tweet, saying that his wife told him to. When Fox News' Megyn Kelly asked Fiorina about Deace's comments,...