(a) Catty, juvenile, occasionally off-colored feuds with competitors and political adversaries
(b) A disastrous inability to capitalize in circulation numbers on one of America's most intense population booms in history
(c) A failure to comprehend or embrace new media in a meaningful or convenient way, thereby placing his entire enterprise in grave jeopardy
(d) Some of the most foolish and now demonstrably inaccurate political commentary of our age
(e) Having, through a completely inappropriate and obsessive jeremiad, undermined the credibility of several fine and hard-working reporters attempting to cover the most important Senate race in state history
(f) This somnolent, mumbling, coffee-cup-fondling moment of greatest glory, a Fox News appearance:
(g) Having his inaccuracies vivisected on national TV and later being so tone-deaf as to be proud of this:
So, yeah. I'm gonna lay off. It's the only appropriate thing to do.