Riz Ahmed earned his first Oscar nomination for his performance in "Sound Of Metal," becoming the first Muslim ever nominated in the Best Actor category. He talks with Anthony Mason about being drawn to rapping and acting as a child, and immersing himself in drumming, the deaf community and addiction recovery circles for his role as Ruben Stone.

Each weekday morning, "CBS This Morning" co-hosts Gayle King, Anthony Mason and Tony Dokoupil deliver two hours of original reporting, breaking news and top-level newsmaker interviews in an engaging and informative format that challenges the norm in network morning news programs.

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