A POOL PARTY defines hedonism, whether you’re 8 years old or well into your twilight years. Growing up in Southern California, I got invited to a lot, each a passport to splish-splashing and lazing about on lounge chairs, sipping Shirley Temples at a house more glamorous than my own. Little snob that I was, I dreamed I was a Hollywood star, and at one party, I encountered a real celebrity: My friend Cheryl’s mom had married Michael Landon (Little Joe on “Bonanza”), who waved at us giggly girls as we Marco Polo’ed the day away.
No...