U.S. Rep. Colin Allred is closing in on Sen. Ted Cruz, as a new poll shows the senator leading Allred by just three points. The poll, conducted by the University of Houston and Texas Southern University, shows that about 57% of likely voters said they would vote for Cruz, while 44% said they would vote for Allred. About 3% said they would support the Libertarian candidate and 6% said they were undecided.