As he kicked off a statewide bus tour for his U.S. Senate campaign, Congressman Jeff Flake took shots at the two Democrats vying for the seat but made no mention of his big-spending GOP primary opponent.

U.S. Senate hopeful Wil Cardon is launching a $230,000 television ad campaign in his bid to upset frontrunner Jeff Flake in the GOP primary, though the announcement hit a brief snag thanks to a spelling error.

Don Bivens used the first television ad of Arizona’s U.S. Senate race not to attack his Democratic primary rival, but to go after GOP frontrunner Jeff Flake.

For Tempe-based pollster Michael O’Neil, there are elections and then there are “real elections.”

He believes the race this year for the seat being vacated by Arizona Sen. Jon Kyl falls into the latter category.

If there is one thing the four major candidates for Arizona’s U.S. Senate seat can agree on, it’s that Arizonans don’t want to elect a business-as-usual politician this November.

Congressman Jeff Flake continued his fundraising dominance in the U.S. Senate race, reporting $607,000 raised in the fourth quarter of 2011.

Don Bivens reported bringing in $390,000 for his U.S. Senate campaign in the fourth quarter of 2011, including $160,000 of his own money.

Carmona’s big fundraising number – $570,000 in just six weeks – had Dem tongues wagging about the U.S. Senate race.

Former U.S. Surgeon General Richard Carmona's campaign says he has raised $570,000 in six weeks for his bid for the U.S. Senate.

Mesa businessman Wil Cardon is beginning a statewide tour to promote his candidacy in Arizona's 2012 U.S. Senate race.