Texans face a multitude of challenges. The border crisis. Incompetent utility regulators. Rising home and rent costs. Rural hospital closures. So naturally, as campaigning for the U.S. Senate enters its final week, incumbent Ted Cruz and his Democratic challenger, Dallas-area Congressman Colin Allred, are locked in a fierce battle over . . . transgender rights. Earlier this month, Cruz and an allied political action committee launched a barrage of ominous television advertisements accusing Allred of supporting “boys in girls’ sports,” “drag shows on American military bases,” “taxpayer-funded sex-change surgeries” for military service members, and the use of “taxpayer funds to sterilize minors.” The ads are part of a nationwide push by Republican candidates, who have spent more than $65 million on antitrans ads since August. “I remember reading the polls…