Texas Republicans are bracing for an explosive Senate primary next year in the latest chapter of an ongoing civil war that has divided the state party. Members of the GOP raced quickly to endorse their respective candidates this week after Attorney General Ken Paxton,

Whoever wins the March primary will become the Republican nominee and face a Democrat. So far, former Dallas Congressman Colin Allred has said he strongly considers running for the Cornyn seat. Allred lost to Senator Ted Cruz, R-Texas, in last year's general election.

Eleven months before the March primary election in Texas, Republican Senator John Cornyn and his newly announced challenger, Attorney General Ken Paxton, are trashing each other's records.