Haitian Migrants, Tesla Bot, Big John

The reason why tens of thousands of migrants from Haiti arrived at the US/Mexico border. Then, a look at the risks and opportunities in Tesla’s plans to create a human-like robot. And, is it good for science that many of the most impressive dinosaur discoveries end up on the auction block? Also on today’s show: how scientists are trying to grow meat from animals cells; dancing can help children cope with trauma; NASA is preparing to launch an enormous new telescope into space and everything has to go just right. (AP Photo/Felix Marquez)