In one simple sentence, Ted Cruz just advocated an American apartheid of Muslims in our country. "We need to empower law enforcement to patrol and secure Muslim neighborhoods before they become radicalized," the Texas senator said in a statement Tuesday, as news of the Brussels attack came out. Sen. Ted Cruz's call to patrol Muslim American neighborhoods after the Brussels attacks is ridiculous and dangerous. It is despicable. It is xenophobic. It is ridiculous. It is dangerous. To be clear, the attacks in Brussels earlier today were terrible. I say that without the slightest equivocation. ISIS has taken responsibility for...