Answer, because he is a Democrat, or should I say because he is not a Republican. Otherwise the coverage would be wall to wall.
The take on this over at Reason.com Why is Calif. State Sen. Leland Yee Not Yet a Household Name? Scott Shackford:
My favorite part:
“I’m not particularly interested in an argument over which party is more corrupt. In the Corruption Olympics, each party is full of stellar athletes whose gold medals were paid for by taxpayers, manufactured by a company with cozy ties to both parties, and cost 300 percent more than they would in the private market.”