Maria Garcia, wife of the late Democratic leader Jorge Garcia, was among three Tucson residents who were nominated Oct. 26 to replace the senator.

A new poll shows that Republican John McCain holds a strong lead over Democrat Rodney Glassman in Arizona's U.S. Senate race.

J.D. Hayworth is launching his first television ad targeting Sen. John McCain in their Republican primary fight.

A serious re-election fight wasn't what Republican John McCain expected when he returned to the Senate after losing the presidency.

The national electoral climate has been portrayed as a battle by incumbents to keep their seats against a groundswell of anti-incumbency sentiment.

Here’s a list of potential legislative candidates in 2010. At least 15 seats are expected to be vacant in the Senate because of term limits, retirement, or because senators are seeking other positions. Meanwhile, some 13 House members cannot seek re-election in 2010.