Tatum O'Neal Is Back In Rehab For Cocaine Use [Report]–Here's Today's Buzz

• RadarOnline reports Tatum O'Neal returned to rehab last month for a "cocaine addiction." A source tells that her father, actor Ryan O'Neal, has been visiting her at a facility in Orange County. Tatum previously checked into a rehab center in February for substance abuse.

• Finally, Warner Bros. is getting serious about making Stephen King's "The Dark Tower" into a film, and they're considering reuniting Ron Howard and Russell Crowe of "A Beautiful Mind."

• Tom Brokaw will return to television–not that he's been completely gone–on Discovery Networks' Military Channel. His new series, The Brokaw Files will premiere October 16. 

• Snoop "Lion" is dogging for a judging spot on "American Idol."

• The new season of "Big Brother" has been on for weeks; however, CBS still wants to shatter eerily similar CBS show, "Glass House." The network has submitted an amended lawsuit to get the reality series off the airwaves, despite the fact barely anyone is watching the copycat. Teen bride Courtney Stodden is checking into VH1's "Couples Therapy." She believes something's amiss with her marriage to 52-year-old actor, Doug Hutchison.

• Katie Couric is dating financier John Molner, head of mergers and acquisitions at Brown Brothers Harriman in New York. The two have been seeing each other since April.

• Lynn Cohen will play Mags in the upcoming 'Hunger Games' sequel, "Catching Fire."Her character is an 80-year-old victor in the games.  

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