Exactly two months ago Friday night, exasperation might have got the best of Mike Shanahan.
Was his career flickering? Was his effectiveness as an NFL head coach waning?
Would those back-to-back Super Bowls he'd won with Denver in the late 1990s forever remain as his unrepeatable moments of greatness, sort of in the same way that Beatles and early Wings songs tower over the ever-crappier ditties that Paul McCartney has churned out since?