Actor David Oyelowo urges politicians to start "walking the walk" on UN global goals

Actor David Oyelowo spoke to CNBC’s Tania Bryer from the Bill and Melinda Gates Foundation's "Goalkeepers" event held during the UN General Assembly week, which focuses on accelerating progress on the 17 U.N. sustainable development goals. Oyelowo expressed hopes that the ongoing writers and actors' strike action in Hollywood is resolved "fairly" and "soon."