Based on Christie's entire prior pattern of conduct, if we assume that he either instigated the lane closures himself or was kept fully informed of the scheme, then Christie doubled down with an even bigger risk when he solemnly denied knowledge or involvement. If he knew all along, Christie compounded a major blunder with an outright lie. It's a high-stakes game. But if Christie went to great pains to keep his fingerprints off the entire affair, why do we think that his cover story won't stick?
This is a symptom of the disease that has plagued the Republican Party since the rise to prominence of Newt Gingrich decades ago and when our politics took an unprecedentedly ugly turn. Simply put, today's GOP is no longer content to promote a conservative agenda but needs to destroy the liberal agenda in order to feel good.