A new poll shows Ted Cruz [R-TX] expanding his lead over Democrat challenger Colin Allred [D-Tx] . A University of Houston survey shows Cruz with a four point edge, up from a two point lead in mid-August. The poll shows 50-percent of Texas voters hold Cruz in a favorable light, but only 46 percent feel the same about Allred, a three-term House Democrat. Facing almost certain losses in West Virginia and Montana, Senate Democrats have poured mllions into Texas in the effort to beat Cruz. If the trend continues, flipping the seat from Red to Blue appears unlikely.