Last week's failed cloture vote on the Women’s Health Protection Act (or, more fittingly, the “Abortion on Demand Until Birth Act”) provided an important glimpse into the worldviews of America’s two major political parties. It also elicited some revealing comments from Sen. Raphael Warnock (D-Ga.), an original co-sponsor of the bill. Although his staff told me they did not have an official reason for why Warnock missed the vote, the senator himself wanted to ensure everyone knew where he stood. Hours before the vote, Warnock tweeted, “I’ve always been a pro-choice pastor, and I believe a doctor’s office is too...