Justin Bieber's finally gone too far ... if you believe his neighbor, who claims the troubled pop star SPIT on him during their argument! Should Bieber be prosecuted -- and hate to say it, but is he racing down the Lohan trail? Plus, Sean Penn's 19-year-old son hurls epithets while attacking a photographer -- but is it fair to blame Sean for his kid's sins? And .. Scott Disick's catching major heat for killing a gator on a Kardashian reality show. The scene pissed off Shannon Elizabeth and she joined us to talk crime and punishment for Disick!