John Cornyn makes his last stand against Ken Paxton, and other things to watch in Tuesday’s Texas runoffs

By Patrick Svitek, CNN (CNN) — Republican Sen. John Cornyn’s uphill battle for renomination from his party reaches its conclusion Tuesday as voters head to the polls in the Texas primary runoffs. Cornyn’s race against state Attorney General Ken Paxton was considered highly competitive until a week ago, when President Donald Trump abruptly backed Paxton