bill clinton face protesters 10 minutes presidential campaign rally philadelphia wife hillary clinton criticisms 1994 crime bill approve president lead surge black people imprison several protesters heckle hold sign include one read clinton crime bill destroy communities video footage hillary clinton defend bill 1994 call young people gang super predators need bring heel widely circulate campaign activists black live matter protest movement bill clinton defend 1994 remark protesters say racially insensitive know would characterize gang leaders get 13-year-old kid hop crack send street murder african-american children say shake finger heckler clinton supporters cheer accord video event maybe think good citizens t. hillary clinton also face protesters upset remark say regret use term bill clinton say last year regret sign violent crime control law enforcement act law contribute country high incarceration rate black people nonviolent crimes bill clinton defend wife 's 'super predator comment protesters