In 2000, Florida played a crucial and controversial role in determining the next president. A year before the 2008 presidential elections, the state seems to be cementing that role again. After state Democrats bucked their national party by setting their primary a week earlier than mandated, the Democratic National Committee took away the state's primary delegates. In response, state Democrats sued the DNC. In the general election, Florida is again the largest potential swing state.
Republicans are targeting freshman Democratic Rep. Tim Mahoney, who in 2006 narrowly won a historically GOP seat after Rep. Mark Foley was revealed to have sent lurid messages to congressional pages and resigned. State Rep. Gayle Harrell is among those seeking the nomination.
2004 results: President Bush won the state's 27 electoral votes with 52% of the vote.
Two Democrats who won re-election to Congress in 2006 by a combined total of just more than 2,600 votes could face tough races again. Rep. Jim Marshall has challengers to the right and the left, with both Republican Richard Goddard, a former Air Force base commander, and Macon Mayor Jack Ellis, a Democrat, expressing interest. Four Republicans have said they may challenge Rep. John Barrow.
Republican Sen. Saxby Chambliss won't be easy to best, but Democrats Dale Cardwell, a former TV reporter; Rand Knight, an environmental scientist; and DeKalb County Chief Executive Vernon Jones are competing to oppose him.
2004 results: President Bush won the state's 15 electoral votes with 58% of the vote.
Democratic Reps. Mazie Hirono and Neil Abercrombie, the state's only representatives, appear poised for easy re-elections in this heavily Democratic state.
2004 results: Sen. Kerry won the state's four electoral votes with 54% of the vote.
Following news of his arrest in a Minneapolis airport restroom sex sting, Sen. Larry Craig initially said he intended to resign from the Senate. Craig later changed his mind, opting to serve out the rest of his term but not seek re-election. The race to replace Craig could be a rematch of the state's 2006 race for lieutenant governor, when Republican Jim Risch beat former U.S. representative Larry LaRocco, a Democrat. Rex Rammell, a veterinarian and elk rancher, is also seeking the GOP nod, but Risch has the governor's endorsement.
2004 results: President Bush won the state's four electoral votes with 69% of the vote.
Illinois could be a central front in the battle for control of the U.S. House, with three representatives retiring and three others facing potentially tough re-elections. Republican Reps. Jerry Weller, Ray LaHood and Dennis Hastert, former speaker of the House, are leaving.
Republican Reps. Mark Kirk and Peter Roskam and Democratic Rep. Melissa Bean could all face stiff competition in their re-election bids. Democrats Dan Seals, who lost a close race to Kirk in 2006, and Jay Footlik, former aide to President Clinton, have said they will challenge Kirk.
Illinois, home to Democratic presidential hopeful Sen. Barack Obama, has moved its primary up to Feb. 5.
2004 results: Sen. Kerry won the state's 21 electoral votes with 55% of the vote.