It has been more than four years since Jacob Kiferbaum pleaded guilty in a kickback scheme involving a hospital that needed state approval for a construction project, one of the earliest corruption scandals under former Gov. Rod Blagojevich. Kiferbaum, though, has yet to spend a day in prison. The north suburban construction magnate is one of 12 men convicted in Illinois political corruption cases who still await sentencing months -- in some cases, years -- after their convictions. The lone exception among them: Tony Rezko, who was a major campaign fund-raiser for Blagojevich, among other politicians. Like the others, Rezko...