Sex. Movies. Social media. Church dropout rates for 20-somethings and other false stats—throw a bunch of Christian journalists together, and you’ll overhear them talking about all of these. I spent the first week in May at the Evangelical Press Association national convention, and much of what we talked about is relevant for Christian leaders, so I’ll pass along a sampling of highlights. . Ed Stetzer, president of Lifeway Research, said we need to check out the statistics we throw around. One non-Christian asked him why evangelicals make up stats that make themselves look bad and then publicize them! Here’s the biggie: That stat about how 20-somethings are leaving the church…