Mamie Gummer: Starring with mom Meryl Streep ‘a profound experience’
03:12Actress Mamie Gummer plays the daughter of her own real-life mom, Oscar winner Meryl Streep, in the new movie “Ricki and the Flash.” She tells Savannah Guthrie that it was challenging to do scenes in which she had to act mean to her own mother, and praises the screenplay by Diablo Cody.