AJ Daulerio's Cultural Oddsmaker runs every Friday. Email him to let him know what you think. Oh, and apologies, again, to The Dugout. When ESPN's Tom Jackson shot down Michael Irvin's "Manning vs. Manning" commentary last week with the moderately offensive "Are you retarded?" question, a few were a little taken aback. Yes, Jackson could've been more sensitive by calling Irvin "mentally challenged," or "a mongoloid" or, even better, attempted to make his comment more complimentary, like, by calling him the much more inspirational "fat-tongued hero." But, retard it was. And aside from The Internets, it seems to have been overlooked greatly by much of mainstream media. Maybe it was glanced over because of Jackson…