by Alan Britt   Humans in white shorts are vulnerable yet strangely aggressive. What with their bare-legged dexterity, if you’re a bug there’s nowhere to hide. The hand is mightier than a horse’s tail, or hind claw hacking a basset hound’s floppy ear. Humans plan social events requiring white shorts. They enjoy Cricket, yachting expeditions, Wimbledon and every shopping mall…