Why Was Trainwreck So Much Better Than Spy?

I’ve seen two decent comedy films this summer. Melissa McCarthy’s Spy and Amy Schumer’s Trainwreck were both fun, but the movie about a magazine editor with a substance-abuse problem was much better than the one about the assistant spy who’s forced to go out into the field. Why is that? »8/04/15 6:45pm8/04/15 6:45pm