Can millions of listeners just disappear? That's a question plaguing Howard Stern and one with vital implications for radio itself in the wake of the shock jock's heralded and hyped switch from free to satellite broadcasting. The self-proclaimed King of All Media once commanded a national audience of 12 million daily listeners before jumping to satellite in January. But since then, his kingdom has shrunk to a small fraction of that size. Meanwhile, the shock jock's main replacements thus far have failed to hold very much of the former flock.
