Former Texas Solicitor General Ted Cruz leads Lt. Gov. David Dewhurst among likely voters in the July 31 Republican primary runoff for an open U.S. Senate seat, according to two new polls. 

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

Texas House Speaker Joe Straus called on lawmakers Monday to start figuring out how to stop diverting billions of dollars in dedicated taxes and fees that are being used to balance state budgets. 

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."

Speaking to more than 200 people at a Tea Party event in Sugar Land, Lt. Gov. David Dewhurst and former Texas Solicitor General Ted Cruz showed more difference in style than in substance.

A Republican candidate forum in Willis ended with an uncomfortable exchange between former state Solicitor General Ted Cruz and a former state senator acting as a surrogate for Lt. Gov. David Dewhurst.

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.

Former Texas Solicitor General Ted Cruz and state Sen. Dan Patrick, R-Houston, had a tense exchange Thursday on Patrick’s radio show as they debated Lt. Gov. David Dewhurst's record.

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."

In a debate between the Democrats running for U.S. Senate, retired educator Grady Yarbrough and former legislator Paul Sadler disagreed on most major issues, including whether America needs a "Berlin Wall" on the southern border. 

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 faced off Friday night in the first debate of the hotly contested Republican primary runoff for U.S. Senate.

A Super PAC backing Lt. Gov. David Dewhurst's bid for the U.S. Senate released a new web video Friday in which Gov. Rick Perry praises Dewhurst's conservative record and criticizes some backers of former Solicitor General Ted Cruz as uninformed.

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.