ArtWalk turns ugly as officers injured, many arrested
                                
                                
                                    (Newser) -
                                    Riot police broke up an ArtWalk-turned-Occupy LA protest last night, using batons and non-lethal projectiles to disperse the crowd and arresting several, the  LA Times  reports. What were protesters doing? Drawing with sidewalk chalk. A Facebook event urged protesters to join LA's monthly ArtWalk and show support for people...