Another day, another GOP primary fight.
This time, it's John Cornyn of Texas, the number two Republican in the Senate, who's receiving a challenge from the right in 2014. Rep. Steve Stockman, a conservative firebrand, made the surprise move to enter the March 4 race Monday evening just before the state's filing deadline.
The Lone Star State is now poised to become the latest battleground — and the first Senate test — in the between the Republican Party's establishment and Tea Party wings.
