Ted Cruz has made a serious mistake—one supported by sentiments of millions of American evangelicals—and it could cost the lives of many Christians. I suppose you’ve heard by now that Ted Cruz was recently “booed off stage” for a senseless, ill-placed “stand with Israel” gaffe at a banquet for persecuted Middle East Christians. The worst part of his comments is not that they were calculated for self-serving political purposes—as others have noted already. Although that is certainly bad enough, it is hardly as offensive as the main implication of what he said. Apparently, we must agree with him, or else...