Climate Changes Role News Today

Took the stage as well. you can catch highlights tonight on a special all in with chris hayes. thats at 8:00 p.m. eastern here on msnbc. coming up next, an nbc news exclusive sidelined the own science of climate changes role in the migration crisis. we also had breaking news from walmart. the worlds second largest retailer announcing it will stop selling e-cigarettes not just at walmart stores but at sams club locations as well. the retailer says it made the decision because of the safety of nic...