Justin Bieber fans urged to self-mutilate until he quits smoking pot

Youth pop sensation Justin Bieber was recently caught on camera smoking marijuana, causing a whirlwind of responses from fans and industry figures, and young female fans are using social media to protest his apparent drug use.  But this mini-movement, labeled #CutForBieber, is beyond a boycott -- some young women are cutting their arms until Bieber formally disavows marijuana.  But, writes Antonio Flores in The Know, the protest was started by pranksters trying to troll real fans into hurting themselves.  Read the detailed column on The Know.