CHICAGO (AP) — The investigation that sent former Illinois Gov. Rod Blagojevich to prison is still causing political problems for Democrats, a decade after the FBI began secretly recording his profanity-laced conversations. Billionaire J.B. Pritzker, a leading candidate for governor, is the latest forced to do damage control. He's heard on newly released wiretaps making disparaging comments about prominent Chicago African-Americans in a 2008 call with Blagojevich about filling a vacant U.S.