Donald Trump has launched a late TV ad blitz in Utah that targets Ted Cruz just days before state Republicans caucus Tuesday. The commercial recycles a now familiar Trump attack against the Texas senator, dubbing him "Lying Ted Cruz." The spot casts Cruz as inconsistent on immigration, an issue that both Trump and the senator have made central to their campaigns. It spotlights an interview Cruz gave on Fox News in December, when he was shown past statements in which he appeared to back a pathway to citizenship for those living in the United States illegally. In the interview, Cruz...