Kim Jong Un's Powerful Sister

Today on CNN10: We explore why the sister of North Korea's Supreme Leader suggests new talks with the U.S. are possible. Then, we learn about a curious, yet kind new behavior being observed among orca whale populations, before seeing how one of the world's biggest pop stars is making her industry more carbon neutral. All this and more on today's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices