SAN FRANCISCO (BCN) -- Two police officers were attacked with sharp objects by protestors in an Occupy San Francisco march this afternoon, police said. Protestors were marching in the area of Embarcadero and Broadway around 3:30 p.m. today when the attacks occurred, according to police. Officers accompanying the march were attempting to prevent demonstrators from taking over the middle of the intersection, where Muni light rail lines are located. Police say a woman emerged from the crowd and attacked one of the officers with what was described as an exacto blade attached to a pen or pencil like object. She...