Dentist Brian Babin will face off against wealthy mortgage banker Ben Streusand in May.
The lieutenant governor was once the GOP front-runner for an open Senate seat.
The extended GOP contest could boost Rep. Pete Gallego's (D) chances in the swing district.
The runoff against a wealthy GOP challenger is dangerous for the oldest member of Congress.
Jeb Bush's son, George P. Bush, wins the GOP nomination for Texas land commissioner.
The Senate GOP whip bested the controversial freshman congressman and six other challengers.
African-American Marc Veasey (D-Texas) defeated self-funding Hispanic challenger Tom Sanchez.
The House Rules chairman and former NRCC head beat GOP challenger Katrina Pierson.
Rejoice ... primary season is officially here!
Texas is holding the first elections of 2014 tonight, with most polls in the Lone Star State closing at 8 p.m. ET and in the El Paso area at 9 p.m. ET.
Fighting off a GOP challenger, the Mississippi senator touts his work on the Hurricane Katrina relief.