There has for years been a claim on the Right that Libby didn’t leak Valerie Plame’s status as a covert operative to the media, because the Novak article that revealed it was based on Armitage’s leak to Novak.
Thing is, as Jake Tapper’s tweets make clear, Libby leaked to several journalists, but they didn’t publish it before Novak.
And then he lied about it to the FBI.