A Quinnipiac University Poll released Wednesday shows President Trump facing tight matchups in Texas with potential Democrat challengers. According to the poll, former Vice President Joe Biden leads Trump in the Lone Star State, 48–44 percent. “The numbers are good for Vice President Joseph Biden who dominates the field in a Democratic primary and has the best showing in a head-to-head match-up against President Donald Trump,” Quinnipiac’s assistant director, Peter A. Brown, said. Brown also said this could “spell trouble” for Trump. “In historically red-leaning Texas, the report for the rest of the Democratic field is not so bad either,...