I was speaking about the future with my son recently over an obscenely large steak at an Argentinian restaurant in Mexico City. We’d just seen a real ‘shoot ’em up’ film which just happened to be called Shoot ’em Up. The hero, a kind of homeless James Bond, lives on the street, reminiscent of Lee Child’s character Jack Reach. They are both tougher than tough guys, the kind of character who make the bad guys feel bad that they ever met. Last night’s film was about 500 guys