Credit: Texas PACIf you watched an early NFL game on Fox on Sunday and wondered why you were suddenly learning about Texas’ U.S. Senate race, you weren’t alone. Texas PAC, a super PAC affiliated with Senate Majority Leader John Thune that has poured well over $100 million into boosting Ken Paxton’s Senate campaign, ran multiple ads during Fox’s 1 p.m. ET window, including a spot featuring Paxton’s estranged wife, state Sen. Angela Paxton, urging…