Let’s establish up front that Billy and Nick, the two 40ish, out-of-work salesmen played by Vince Vaughn and Owen Wilson in the new movie The Internship, are unlikely to land a coveted summer spot at Google. But in Hollywood, the place where Cameron Diaz can be an orthopedic surgeon (in There’s Something About Mary), anything is possible. So let’s suspend disbelief (and put aside the question of whether or not it’s funny) and consider what the movie gets right about midcareer internships.