I have a new post up at Prawfsblawg (and the Marquette Law Faculty Blog, if you prefer WordPress), on how the idea that contributory copyright infringement is based on enterprise liability from tort law got started. If that’s something you’ve always wondered about, it may be worth a read.
Side note: For crazy origin stories, see here. Best line: “Steve [Rogers, a/k/a Captain America] is injected with ‘super-soldier’ serum until he transforms into a muscled god—at which point the genetically perfect, blond-haired, blue-eyed superman is ready to battle everything the evil Nazis represent.”