Complex sentence: Stern then used his remaining market share to criticize Clear Channel and the Bush Administration and later left the public airwaves to move to satellite radio, which is not subject to the same FCC decency regulations.
Split into simpler sentences: Stern then used his remaining market share to criticize Clear Channel and the Bush Administration. He later left the public airwaves to move to satellite radio, which is not subject to the same FCC decency regulations.