After fighting the war on drugs for nearly 30 years, Lt. Jack Cole is ready to admit defeat. The retired New Jersey State Police detective -- who spent 12 years as an undercover narcotics officer -- spearheads a movement to legalize all narcotics as a way of ending the bloody, expensive war. "The war on drugs was, is and always will be a dismal failure," said Mr. Cole yesterday to a meeting of the Fairhaven Rotary Club. Mr. Cole is one of the founders of an international nonprofit group called Law Enforcement Against Prohibition -- LEAP. That group, which includes...