Changes

'''* Arizona'''

'''* Arizona'''

Republican [[Jon Kyl]] is retiring. Democrat [[Richard Carmona]], who served as [[Surgeon General of the United States]] under [[George W. Bush]], will face Republican [[Jeff Flake]]. Flake is endorsed by the [[Senate Conservatives Fund]].

Republican [[Jon Kyl]] is retiring. Democrat [[Richard Carmona]], who served as [[Surgeon General of the United States]] under [[George W. Bush]], will face Republican [[Jeff Flake]]. Flake is endorsed by the [[Senate Conservatives Fund]]. The latest Rasmussen poll from September 25 has Flake up by 6 points at 47% to 41%.

'''* Indiana'''

'''* Indiana'''

Tea Party-backed Republican [[Richard Mourdock]] will face Democrat Joe Donnelly after defeating 35-year incumbent Republican [[Richard Lugar]] in the Republican primary.

Tea Party-backed Republican [[Richard Mourdock]] will face Democrat Joe Donnelly after defeating 35-year incumbent Republican [[Richard Lugar]] in the Republican primary. The latest Rasmussen poll from August 1 has Mourdock up by 2 points at 42% to 40%.

'''* Nevada'''

'''* Nevada'''

Republican [[Dean Heller]] was appointed in 2011 to replace [[John Ensign]] and is considered the incumbent. He faces Rep. Shelley Berkley who cruised to victory in the Democratic primary. Polling has Heller with a lead of, on average, 4 points though he generally fails to break 50%, a crucial benchmark for an incumbent.

Republican [[Dean Heller]] was appointed in 2011 to replace [[John Ensign]] and is considered the incumbent. He faces Rep. Shelley Berkley who cruised to victory in the Democratic primary. The latest Rasmussen poll from September 18 has Heller up by 1 point at 42% to 41%.

===Toss Up===

===Toss Up===