"Cruz's people are more likely to turn out in the runoff because we are more ideologically driven on issues like state sovereignty, " said Julie Turner, who voted for Mr. Cruz and is the president of the Texas Patriots PAC, a tea party-affiliated group.

WSJ: Ted Cruz, David Dewhurst Head for a Runoff

Five hundred people attended the summit, which served, in part, as a training session for Tea Party activists in Texas.

NEWYORKER: Covert Operations

AUSTIN, Texas Rafael "Ted" Cruz, a Houston lawyer and tea party favorite, is headed for a runoff against a better-known candidate in the Texas Republican Senate primary, the latest strong showing by an insurgent hopeful.

WSJ: Ted Cruz, David Dewhurst Head for a Runoff