Jeff Manza, Clem Brooks and Christopher Uggen have written “Public Attitudes toward Felon Disenfranchisement in the Untied States “, 68 Public Opn. Quarterly 275 (2004). A snippet: “For all categories of felons who are not currently in prison, relatively large majorities (betwen 80 percent in the case of generic ex-felons and 52% in the cae of former sex offenders) favor enfranchisement. Additionally, we find evidence that between 60 and 68 percent of the public believes that felony probationers….should have their voting rights restored.”