Why does the US want Greenland?

Today on CNN10: We'll learn what's driving President Trump's efforts to acquire Greenland from Denmark, and why past efforts for the territory have failed. Then, we'll take a look at a scientific study into some dogs' ability to pick up on new words by eavesdropping on our conversations. Plus, we'll see how Barbie is making history with an all-new inclusive update. All this and more on today's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices