Spoiler alert! Why movie trailers ruin all the fun

You’ve waited months for a glimpse of the latest movie blockbuster. The trailer comes out, you watch it … and it contains most of the major plot twists. Studios spend hundreds of thousands of dollars making the trailers in an attempt to get more people to the theater. But do they work? Plus: Ed Sheeran’s latest tour could be the highest-grossing concert series of all time. We find out why.