Republican Party Identity at Stake in Texas Runoff
President Trump endorsed Paxton, criticizing Cornyn for late support.
Cornyn accused Trump of being impatient and seeking to send a Senate message.
Senate leaders and senators expressed disappointment, supporting Cornyn.
Polls show Paxton leading 48-45 in the race.
The contest reflects the Republican Party's future identity and risks Trump's agenda.
4 days ago