Romney’s senior strategist, Stuart Stevens, may well be remembered by historians, as one House Republican senior staff member put it to me, “as the last guy to run a presidential campaign who never tweeted.” (“It was raised many times with him,” a senior Romney official told me, “and he was very categorical about not wanting to and not thinking it was worth it.”)

Robert Draper, in an enormous NYT piece on whether the Republicans can be saved from obsolescence. Also note Plouffe’s comments on Rubio. The short version: he’s not worried.