The Associated Press has called the race for Cruz, with Houston Chronicle reporting:

Texas’ drift toward the Tea Party brand of GOP conservatism continued Tuesday when lawyer Ted Cruzscored a surprisingly easy win over David Dewhurst in the Republican primary runoff for the U.S. Senate seat being vacated by Kay Bailey Hutchison.

Cruz once was considered a long shot to take down well-heeled Lt. Gov. David Dewhurst – the favorite of the party establishment and Hutchison’s heir apparent. But he steadily gained in the polls during their bare-knuckles campaign brawl, and his lead opened up as soon as the earliest returns were posted. By 8:30 p.m.the Associated Press had named Cruz the winner.

Earlier in the night, FreedomWorks Executive Vice President Adam Brandon joined Glenn on GBTV to discuss the election: