Lamar Odom's back home with Khloe Kardashian ... but we're told he's still undecided about rehab. Now that Khloe's backed off her tough love approach -- will Lamar get serious, on his own, about treating his drug addiction? Plus, Leah Remini and Valerie Harper headline a surprising new cast for "Dancing With the Stars." Is Leah doing the show as a giant diss to Scientology? We have good reason to believe the answer is definitely .. yes. And a famous L.A. boutique is selling Vicondin, Adderall, and Xanax ... on jerseys. Some celebs think it promotes drug abuse -- but Harv, and Lindsay Lohan, think it's just good clean fun.