What government interest is served by disenfranchising felons?

JACKSONVILLE, Fla. — The bumpy path of Desmond Meade’s life meandered to its current interesting point. He is a graduate of Florida International University law school but cannot vote in his home state because his path went through prison: He committed non-violent felonies concerning drugs and other matters during the 10 years when he was essentially homeless. And Florida is one of 11 states that effectively disqualify felons permanently.