So what did you do in the 1960s, Daddy? For more than a few boomer men, such a question would ruin an otherwise pleasant Father's Day, calling up memories of antiwar anger, countercultural folly and bad hair. But in my house it was always the start of an enjoyable generational exchange. My late father, a Navy vet who retired in 1972 as a detective captain after 25 years in the New York Police Department, always had a striking answer when one of his eight children (or their children) asked him about those days. "I ran the Hippie Squad," he would say. [continues 1153 words]