Cloudburst Entertainment has released a trailer for The Comeback Trail, an action comedy starring a trio of Oscar winners -- Robert De Niro, Tommy Lee Jones and Morgan Freeman. But this story isn't really about that. It's about the film's co-writer, Josh Posner. See, I grew up with Josh in Needham, Massachusetts. We weren't best friends or anything but we were deadly on the football field together back in fifth grade, before I failed to grow tall enough to play actual football in high school, where Posner once broke up a fight I regret to have …