Patti Davis, actress and youngest daughter of the late President Reagan, gave Prince Harry some sage yet unsolicited advice ahead of the release of his memoir, "Spare." In an op-ed written for the New York Times, Davis, 70, cautioned the Duke of Sussex to be judicious with his candor. "My justification in writing a book I now wish I hadn’t written… was very similar to what I understand to be Harry’s reasoning. I wanted to tell the truth, I wanted to set the record straight. Naïvely, I thought if I put my own feelings and my own truth out there...