Theres been speculation that humans basically used to sleep when it got dark, which would mean theyd sleep 10, 11, even 12 hours. It turns out that thats not the case. Sreenivasan all that and more on tonights pbs newshour. Major funding for the pbs newshour has been provided by bnsf. And by the alfred p. Sloan foundation. Supporting science, technology, and improved Economic Performance and Financial Literacy in the 21st century. Support also comes from Carnegie Corporation of new york. A foundation created to do what Andrew Carnegie called real and permanent good. Celebrating 100 years of philanthropy at carnegie. Org. And with the ongoing support of these institutions this program was made possible by the corporation for public broadcasting. And by contributions to your pbs station from viewers like you. Thank you. Sreenivasan president obama announced today hell keep american troops in afghanistan through the end of his presidency, extending americas longest war. The policy reversa
Is less known and less thought about than painting because its harder to make a scene. It takes up more space. Its more trouble to transport, more trouble to arrange in a gallery. So, therefore, across the board, sculpture is less well known, but particularly so with picasso. Rose we conclude this evening with Cary Fukunaga, the director of the film beasts of no nation. I remember speaking to a minister of parliament in liberia when we were setting up the movie who was the commander and lord that ousted Charles Taylor and he said, without any filtering, you know, he said the child soldiers who fought for him were his best soldiers by far. Theyre the most loyal, the most eager to please and the most fearless. Rose violence in israel, picassos sculpture at moma and beasts of no nation when we continue. Rose funding for charlie rose has been provided by american express. Rose additional funding provided by and by bloomberg, a provider of multimedia news and Information Services worldwide.