[CharlesWayneCT]

Does this mean that if he loses the primary, he’ll also be out of the house?

[txhurl]

The lawmaker is risking his place in Congress because running for the Senate means he will have to give up his seat
in the House of Representatives.
Read more at http://www.wnd.com/2013/12/tea-party-favorite-takes-on-gop-big-name/#Ri351rWpii3zheVk.99

[Theodore R.]

Does this mean that if he loses the primary, he’ll also be out of the house?

Yes, it does; he could have been vulnerable for House reelection, but I don't know that. People in TX believe in Cornball though most don't know his record.

[stevie_d_64]

Per the rules/law you cannot run for two offices at the same time...He had to let the 36th go to file for this race, IIRC...