Justin Bieber's dodged an arrest -- for now -- when cops raided his home ... meanwhile, his pal Lil Za got busted TWICE yesterday. Is Za taking the fall for JB, and if so ... will Justin be grateful? Plus, an eyewitness says Kanye West beat the absolute crap out of the guy who allegedly said the n-word in front of Kim Kardashian -- but an unforeseen factor could help him beat the rap. And, Michelle Obama shocks the world by coming out as pro-plastic surgery -- does this totally undermine her campaign for a healthy lifestyle?