Elon Musk teases a reveal date for an all-electric semi truck, plus Samsung starts an investment fund to finance autonomous technology. Martin Shkreli, known as the "Pharma Bro," gets sent to jail after a controversial post about Hillary Clinton, and HBO may have a solution for keeping the final season of Game of Thrones under wraps. Kori Hale and Tim Stenovec break down the day's biggest stories.