A paratransit bus driver intentionally rammed a Hells Angels biker on Interstate 580, and then dragged him about a mile, killing him, a CHP spokesman said. The biker, who has not been identified, was traveling eastbound on I-580 in San Leandro near Grand Avenue with a small group of Hells Angels members before 4 p.m. when an altercation began, said CHP Sgt. Trent Cross. After being hit, the motorcyclist and his bike were dragged for about a mile, said San Leandro police Lt. Greg Lemmon. Eventually, the biker was released from under the East Bay Paratransit bus, but the driver...