IT used to be difficult keeping track of the left. They came in more categories than could be found on supermarket breakfast cereal shelves: you had your Stalin Death Crispies, your Maoist Flakes, your Anarcho-Syndicalist Bix, your Socialist Bran, your Third Way Brits, your Commie Loco Pops, your Environmentalist Wheat Bubbles. TIM BLAIR writes. And that was before you busted them down to their various factions-within-factions – Labor Feminists Against Fast Cars and Molluscs, perhaps, who would be the sworn enemies of the Anti-Mollusc and Rapid Car Collective of Labor Wimmin. After September 11, however, the global left gathered into...