During Tom Leppert's tenure as Dallas mayor, the city's crime rate dropped and major projects advanced. But critics say Leppert, now a U.S. Senate hopeful, had always looked at the job as a political stepping stone.

While U.S. Rep. Ron Paul endorsed former Texas Solicitor General Ted Cruz on Sunday to be the next U.S. senator from Texas, Cruz isn't returning the favor and endorsing Paul's presidential bid.

Four Republicans and two Democrats hoping to replace Kay Bailey Hutchison in the U.S. Senate focused more on their own positions and records rather than their opponents during a televised candidate forum Thursday.

At a forum tonight in Houston, Democrats Paul Sadler and Sean Hubbard will join the four leading Republican candidates vying for Kay Bailey Hutchison's U.S. Senate seat.

High expectations can raise the risks for a candidate, especially in a rookie campaign against a wealthy incumbent. Falling short when the predictions are rosy can affect future runs for office.

U.S. Senate candidate and former ESPN college football analyst Craig James has reported raising more than $1 million — 74 percent of that total from himself — in the first three months of the year.

A 30-second video ad by the independent Super PAC supporting Lt. Gov. David Dewhurst for U.S. Senate attacks fellow GOP candidate Ted Cruz, calling him a “false conservative.”

The four leading Republican U.S. Senate candidates will try again to prove to conservative voters which of them will adhere most strictly to the party's values in Washington.

U.S. Senate candidate Craig James said a text message that he got from primary opponent Ted Cruz amounted to an attempt to rig Friday night's televised debate.

Lt. Gov. David Dewhurst will report raising $1.66 million in individual contributions during the first three months of 2012, his campaign confirmed today.

David Dewhurst has everything going for him in the Republican primary for the U.S. Senate — except for time.

Full video of my February 23 TribLive conversation with Republican U.S. Senate candidate Craig James.

At this morning's TribLive conversation, Craig James explained how he intends to win the battle for second place — and a spot in a presumed runoff — in the GOP primary for U.S. Senate.

At this morning's TribLive conversation, Republican U.S. Senate candidate Craig James alternately agreed and disagreed with his preferred presidential candidate, Rick Santorum, on a series of controversial social issues.

Lt. Gov. David Dewhurst is still the leader of the Republican pack running for U.S. Senate, and Ted Cruz is in second place, according to the latest University of Texas/Texas Tribune poll.

While Texans wait for the courts to determine most of the state's political races, the candidates for U.S. Senate have begun a campaign blitz in the run-up to this spring’s primary. Ben Philpott of KUT News and the Tribune reports.

Saying he wants to help get the country "out of the pickle box that we're in," Craig James this afternoon announced his run for the Republican nomination for the U.S. Senate.