Speaking as "just another voter" at a news conference in Houston, Gov. Rick Perry urged Republican voters in Texas to vote for Lt. Gov. David Dewhurst over former Texas Solicitor General Ted Cruz.

An ad by a pro-David Dewhurst Super PAC features a Pennsylvania mother as it again hits Ted Cruz over his connection to the developer in the "kids for cash" scandal.

Former Texas Solicitor General Ted Cruz accused Lt. Gov. David Dewhurst of "false attacks" and "dishonesty" in a new 30-second TV ad released Monday — the first day of early voting in the U.S. Senate runoff. 

There's no mention of his opponent in the latest ad from Lt. Gov. David Dewhurst. Instead, he touts his business credentials and says, "I don’t think President Obama understands business" or "the potential of the private sector." 

Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz will participate in a third televised debate on Monday in Houston.

New ads from Lt. Gov. David Dewhurst's campaign and a pro-Dewhurst Super PAC aim to tie former Texas Solicitor General Ted Cruz to a judicial corruption scandal in Pennsylvania.

Ahead of Tuesday night's debate — likely the last televised debate of the GOP U.S. Senate runoff — the race between Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz has grown increasingly negative.

Both Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz have recently accused each other of being less than honest with Texans. The attacks are likely to color Tuesday's televised debate in Dallas.

In new television ads released Tuesday, Ted Cruz targets GOP U.S. Senate runoff rival David Dewhurst, while Dewhurst targets President Obama. 

Before he was the U.S. Supreme Court chief justice who helped save "Obamacare," John Roberts was friends with U.S. Senate candidate Ted Cruz, who described Roberts' controversial decision as "heartbreaking."

Both Lt. Gov. David Dewhurst and former Solicitor General Ted Cruz are trying to make hay out of the financial support their opponent is drawing from lobbyists. 

On a wide range of issues at the front of Republican voters' minds, Lt. Gov. David Dewhurst and former Solicitor General Ted Cruz essentially agree. Actual policy differences between the candidates are exceedingly narrow.

In a new TV ad, Lt. Gov. David Dewhurst describes the southern border as "a 2,000-mile monument to the failure of Washington," and the U.S. Senate candidate says President Obama's recent executive order "burns me up."

Former Texas Solicitor General Ted Cruz said Lt. Gov. David Dewhurst made a "deliberate falsehood" when he said that he had never supported a payroll tax. Dewhurst's campaign says the allegations are "false and misleading."

Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz will take the stage Friday night in the first of two one-on-one debates scheduled ahead of the July 31 runoff.  

Lt. Gov. David Dewhurst opposes the DREAM Act, and former Texas Solicitor General Ted Cruz doesn't support amnesty. Yet after the back-and-forth between the rival U.S. Senate campaigns, some voters could be left wondering. 

In its first attack video of the runoff, Lt. Gov. David Dewhurst's campaign for U.S. Senate has reached back to a 1980s-era arcade classic for inspiration.

Speaking to Republicans in the Hill Country, both Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz on Friday repeatedly described themselves as the true "fighter" in the Republican runoff for U.S. Senate.