State Senate President Pro Tem Darrell Steinberg, center, D-Sacramento, calls for Sen. Leland Yee, D-San Francisco, to resign his seat in the wake of his arrest on federal corruption and firearm charges, during a news conference in Sacramento, Calif. Flanked by fellow Senate Democrats, including Sen. Kevin de Leon of Los Angeles, left, and Mark Leno, of San Francisco, Steinberg said lawmakers will immediately suspend Yee unless he steps down. The announcement comes hours after Yee was arrested and appeared in federal court. (AP Photo/Rich Pedroncelli)