The Punisher, Marvel Comics’ avenging vigilante, has become a radical. As well as taking out organized crime kingpins and thugs, he’s now taking on U.S. Intelligence and undermining support for the War on Terrorism. The publication of these comic book polemics coincides with the April release of the feature film “The Punisher” starring Thomas Jane and John Travolta. Leftist propagandizing is not new to Marvel, nor to the author of the Punisher series, Irishman Garth Ennis. Two months after September 11th, the Punisher was featured threatening the life of President George W. Bush. The story portrays the President as a...