Stern’s five-year contract with Sirius XM ends at the end of 2010, and on the air last week the radio host said he’s “pretty sure†he’ll be leaving the station at the year’s end. With that time freed up, he might launch an online radio show, he implied. However, many are speculating that Stern, who’s reportedly making $100 million per year on Sirius, is just “negotiating in public.†[HR]