"What's a liberal?" I asked. "A person who gives back," snapped my father. He was an FDR disciple and fire-breathing crusading journalist, defender of the common man and he could have given a longer answer. But no problem. It was 1966; I was 22; I'd find out for myself. Almost a half century later, his world is long gone. But it's a question I've been pondering, of late.