Ted Cruz was expected to win Wisconsin, but the surprise was how easily Cruz was able to defeat Donald Trump. Wisconsin Republicans had mobilized against Donald Trump in a more unified way than had been visible in any previous contest. Trump has not done himself any favors with a week that was a textbook study in how to alienate voters. Sarah Palin’s horrible appearance as a surrogate for Trump at a Milwaukee Republican event made it clear to one and all that Wisconsin was not going to be Trump country. Donald Trump’s campaign has always had a by the seat...