500

The number of hours of audio recordings that federal authorities secretly made of former Illinois Gov. Rod Blagojevich's telephone conversations during a corruption investigation that led to the governor's resignation. Blagojevich -- charged with trying to sell the United States Senate seat vacated by Barack Obama -- has asked for all the tapes to be played to jurors. Political analysts say the tapes could spell trouble for Illinois Democrats who had phone conversations with the governor during the three-month investigation.