

Kentucky Republican Senate candidate Rand Paul appears with his father, Rep. Ron Paul (R) of Texas, during a campaign event in Erlanger, Ky., on Oct. 2. Ed Reinke/AP
California gubernatorial candidates Meg Whitman (R) and Jerry Brown (D) shake hands at the start of their second debate at Fresno State University in Fresno, Calif., on Oct. 2. Eric Paul Zamora/Reuters
Republican candidate for Massachusetts Governor Charles Baker applauds his supporters during a campaign rally at Needham High School in Needham, Mass., on Oct. 2. Stephan Savoia/AP
Sen. John McCain (R) of Arizona speaks at a rally with local veterans for Republican Senate candidate Kelly Ayotte in Nashua, N.H., on Oct. 2. Cheryl Senter/AP
Delaware Republican Senate candidate Christine O'Donnell addresses supporters during a rally on Oct. 1 in Wilmington, Del. Rob Carr/AP
President Barack Obama arrives to speak at a Democratic National Committee fundraiser at DAR Constitutional Hall in Washington on Sept. 30. Jim Young/Reuters
Supporters listen to President Barack Obama speak at a Democratic National Committee fundraiser at DAR Constitutional Hall in Washington on Sept. 30. Jim Young/Reuters
New York Democratic gubernatorial candidate Andrew Cuomo responds to questions after receiving the endorsement of Staten Island Borough President James Molinaro (r.) in the New York City borough ferry terminal on Oct. 1. Richard Drew/AP
Former Massachusetts Gov. Mitt Romney (c.) laughs with Georgia state Sen. Judson Hill (r.) after having breakfast with Republican nominee for Georgia Attorney General Sam Olens (l.) at OK Cafe on Sept. 30 in Atlanta. John Amis/AP
California Republican Senate candidate Carly Fiorina answers a question as she participates in a debate at the Mohn Broadcast Center in Pasadena, Calif., on Sept. 29. Fiorina debated Sen. Barbara Boxer (D) of California, who participated in the debate from an NPR studio in Washington. Anne Cusack/Los Angeles Times/Reuters
Sen. Barbara Boxer (D) of California speaks as her microphone is adjusted for a radio debate with Senatorial Republican opponent Carly Fiorina, from inside NPR Studios in Washington on Sept. 29. Jason Reed/Reuters
Kendrick Meek, Florida Democratic Senate candidate (l.) and former Vice President Al Gore, are shown during a rally on Sept. 30. Chris O'Meara/AP
Republican congressional candidate for New Hampshire's first district Frank Guinta gestures before speaking at the New Hampshire Republican Party State Convention in Concord, NH, on Sept. 29. Guinta is challenging Democrat incumbent Rep. Carol Shea-Porter. In New Hampshire, the Republican Party's renewed focus on fiscal matters could prove fruitful after a devastating decade that saw them lose a Senate seat, both House seats and control of the state legislature. Republicans aim to win back that lost ground this year and win the governorship as well. Joel Page/Reuters
Supporters of Sen. Barbara Boxer (D) of California chant before a debate between Boxer and Republican challenger Carly Fiorina outside the KPCC studios in Pasadena, Calif., on Sept. 29. Mario Anzuoni/Reuters
President Barack Obama shakes hands as he arrives at a rally on the University of Wisconsin campus in Madison, Wisc., on Sept. 28. Morry Gash/AP
Hundreds of supporters cheer Vice President Joe Biden at a Moving America Forward rally at Penn State University in State College, Penn., on Sept. 28 as part of a series of events aimed at reaching young voters prior to the 2010 midterm elections. Ralph Wilson/AP
Vice President Joe Biden greets the crowd after a rally at Penn State University in State College, Penn., on Sept. 28. John Beale/AP
Claire Petrillo, the wife of an Operation Iraqi Freedom soldier and the mother of four children from Chelmsford, Mass., talks with incumbent Democrat Deval Patrick after a gubernatorial forum on health services issues at the historic Faneuil Hall in Boston on Sept. 28. Stephan Savoia/AP
Delaware Democratic Senate candidate Chris Coons (l.) shares a laugh with Democratic National Committee Chairman Tim Kaine during a rally at the University of Delaware on Sept. 28. Rob Carr/AP
Carl Paladino supporters protest outside a business where Democratic gubernatorial candidate Andrew Cuomo was speaking in Buffalo, NY on Sept. 28. David Duprey/AP
New York Republican gubernatorial candidate Carl Paladino speaks during an interview with The Associated Press on Sept. 27 in New York. Mark Lennihan/AP
Former President Bill Clinton delivers remarks as the shadow of Democratic gubernatorial candidate Libby Mitchell is seen on an American flag, in South Portland, Maine, on Sept. 26. Pat Wellenbach/AP