The Justice Department did more than seize a Fox News reporter's emails while suggesting he was a criminal "co-conspirator" in a leak case -- it did so under one of the most serious wartime laws in America, the Espionage Act. It's the same law used by the Nixon administration to go after The New York Times and Daniel Ellsberg over the leak of the Pentagon Papers. It's the law used to charge the Rosenbergs, American communists, for allegedly passing secret information to the Soviet Union -- they were executed for the offense in 1953. One Washington attorney, who represents two...