Ted Cruz has a wide lead over Donald Trump in Texas ahead of his home state's GOP presidential primary on Super Tuesday, according to a new poll. Cruz commands a 15-point edge over Trump in the Houston Public Media/University of Houston survey released Wednesday. That's in contrast to a separate survey released Wednesday, which showed Trump trailing Cruz by 1 point. Cruz topped the billionaire 29 percent to 28 percent in the Emerson College poll released earlier that morning. The Real Clear Politics average of Texas polls shows Cruz about 5 points ahead in the Lonestar State. About 35 percent...