If Joe Biden were to ask the framers of the constitution what qualities he should look for in a running mate, they might single out one in particular: a love of lucubration.  It literally means working by candlelight. This “nocturnal study,” as Samuel Johnson called it, was an important part of the political lingo of the 1780s and might just be one of the best measures of one’s fitness for executive office. Lucubration matters because, despite their many moral blind spots, the framers did have ...