Jim Gamble, the genial Irishman who heads the Child Exploitation and On-line Protection centre, is often accused by cops of being a self-publicist. CEOP was the first British law enforcement agency to send staff to Portugal to help with the Madeleine investigation. I mention this only because I think Mr. Gamble may have gone a little too far this time. As I strolled through Westminster today I saw an ad for CEOP...emblazoned in day-glo letters on a police horse. No prizes for guessing which part of the beast's anatomy was chosen to promote the organisation, a decision which will give delight to Mr. Gamble's detractors. ...