At least since the debut of seminal 1967 film “The Graduate,” society and culture at large have asked: Can an age gap within a couple ever be too big? (You can actually probably trace this discussion as far back as to the Greek tragedy of Oedipus, though that story is fraught with issues much deeper than the age gap between “husband” and wife.) And while you may expect that question to get some discussion on a show specifically about dating, such as the “whatever” podcast, you probably wouldn’t expect the subject to be broached on a football podcast. Yet somehow, the “New Heights” podcast, run…