Women’s sports advocate Riley Gaines endorsed Texas Attorney General Ken Paxton in his U.S. Senate race against Democratic state Rep. James Talarico, pointing to the candidates’ sharply different records on transgender athletes and medical treatments for minors."Texas needs a senator who will fight without apology for women, for kids, and for the health of every American family," Gaines said in a statement. "Ken Paxton is that leader, and I am p…