Marcia Gay Harden Joins 'The Newsroom' And More Casting News

Marcia Gay Harden is taking on the news.According to EW, the actress is headed to "The Newsroom" as Rosemarie DeWitt's replacement on the HBO series. Harden will recur as Rebecca Halliday, a litigator who defends Atlantis Cable News in a wrongful termination suit.