S4 E7: Marijuana, Zebra Update & Brexit: Last Week Tonight with John Oliver

Season 4, Episode 7. April 2nd, 2017. John Oliver explains why conflicting drug laws pose serious problems and gives an update on our green screen zebras, the U.K. begins the process of leaving the European Union, and the investigation into Russia's election interference continues. Connect with Last Week Tonight online... Subscribe to the Last Week Tonight YouTube channel for more almost news as it almost happens: www.youtube.com/lastweektonight Find Last Week Tonight on Facebook like your mom would: www.facebook.com/lastweektonight Follow us on Twitter for news about jokes and jokes about news: www.twitter.com/lastweektonight Visit our official site for all that other stuff at once: www.hbo.com/lastweektonight