It’s got all the ingredients of a political thriller movie. Two men sit on a train. One man, former political activist Tom Matzzie. Another, former head of the National Security Agency Michael Hayden. Hayden is giving anonymous quotes and off-the-record phone interviews to reporters about the country’s spying habits. And Matzzie, the former Washington director of MoveOn.org, is about to be famous… for tweeting about it. This all started on a northbound Amtrak Acela express train yesterday. When Matzzie peered behind him to check on a familiar voice…