Clinton supporters, erroneously, make much out of the idea that of the many, many emails that passed through her private server, none were “marked” classified. They claim that, when in fact thousands of those same emails are indeed now marked classified, that is just after-the-fact Washington squabbling. So this new information — that America’s intelligence agencies now say the contents of some of those unmarked emails match the contents of their own classified documents — is a big deal. It...
