FILE - in this Feb. 20, 2013 file photo, former Illinois Rep. Jesse Jackson, Jr leaves federal court in Washington after he entered a guilty plea to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. Residents in Illinois' 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. (AP Photo/Cliff Owen, File)

FILE - in this Feb. 20, 2013 file photo, former Illinois Rep. Jesse Jackson, Jr leaves federal court in Washington after he entered a guilty plea to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. Residents in Illinois' 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. (AP Photo/Cliff Owen, File)

FILE - In this Nov. 28, 2012 file photo, former Congressman Mel Reynolds announces that he's joining the increasingly crowded field running for the 2nd District seat vacated by Jesse Jackson Jr. Residents in Illinois 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Reynolds was one of those three congressmen. He is a Harvard-educated Rhodes Scholar who won office in 1992 and later convicted of having sex with an underage campaign worker. (AP Photo/M. Spencer Green, File)

FILE - In this Nov. 28, 2012 file photo, former Congressman Mel Reynolds announces that he's joining the increasingly crowded field running for the 2nd District seat vacated by Jesse Jackson Jr. Residents in Illinois 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Reynolds was one of those three congressmen. He is a Harvard-educated Rhodes Scholar who won office in 1992 and later convicted of having sex with an underage campaign worker. (AP Photo/M. Spencer Green, File)

FILE - In this Feb. 7, 2013 file photo, former Illinois state Rep. Robin Kelly, accepts the endorsement at a Chicago news conference from left to right, Gail Mahome, Dr. Willie Wilson and Dr. John Gray, members of the International Ministers & Community Alliance, in her bid to replace former U.S. Jesse Jackson Jr., in Illinois' 2nd District. Residents in the 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Jackson entered a guilty plea in Washington, Feb. 20 to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. He resigned from Congress in November 2012. (AP Photo/M. Spencer Green, File)

FILE - In this Feb. 7, 2013 file photo, former Illinois state Rep. Robin Kelly, accepts the endorsement at a Chicago news conference from left to right, Gail Mahome, Dr. Willie Wilson and Dr. John Gray, members of the International Ministers & Community Alliance, in her bid to replace former U.S. Jesse Jackson Jr., in Illinois' 2nd District. Residents in the 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Jackson entered a guilty plea in Washington, Feb. 20 to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. He resigned from Congress in November 2012. (AP Photo/M. Spencer Green, File)

In this Feb. 7, 2013 photo, U.S. Congressional hopeful Chicago Alderman Anthony Beale speaks at a news conference in Chicago where Cook County Sheriff Tom Dart, left, endorsed him in his bid replace former U.S. Rep. Jesse Jackson Jr. in Illinois' 2nd District. Residents in the 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Jackson entered a guilty plea in Washington, Feb. 20 to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. He resigned in November 2012. (AP Photo/M. Spencer Green, File)

In this Feb. 7, 2013 photo, U.S. Congressional hopeful Chicago Alderman Anthony Beale speaks at a news conference in Chicago where Cook County Sheriff Tom Dart, left, endorsed him in his bid replace former U.S. Rep. Jesse Jackson Jr. in Illinois' 2nd District. Residents in the 2nd District are preparing to vote in a special primary Feb. 26 to replace Jackson in the Chicago area district that has seen three congressmen leave office in an ethical cloud. Jackson entered a guilty plea in Washington, Feb. 20 to criminal charges that he engaged in a scheme to spend $750,000 in campaign funds on personal items. He resigned in November 2012. (AP Photo/M. Spencer Green, File)