Ted Cruz is the only true conservative running for president. That's the message of his campaign: He's the only senator who stood and fought against amnesty, Obamacare, and Planned Parenthood. His finest hour was the defeat of immigration reform three years ago. Democrats wanted to give illegal immigrants a path to citizenship. Cruz said no. He took on the establishment and won. It's a good story, and the immigration fight tells us a lot about Cruz. But the fight didn't happen the way he says it did. Cruz didn't marshal the opposition or even take a firm stand. He's a...