Unsuspecting visitors to Old Sacramento this weekend were confronted with a man named Dr. Cornelius Poindexter claiming to sell miracle elixirs saying that they cure everything from measles to hair loss. “The cream, when applied to the skin, removes unwanted freckles, warts, boils, blemishes, carbuncles, what-cha-ma-goofers and thing-ma-bobs…whatever you wish to remove,” Poindexter said. “It’s a remedy for alcoholism, and it also cures terminal illnesses.” “It even cures baldness!” Poindexter shouted to a bald shopper. “I can grow hair on a rock!” Poindexter quickly disappeared, however, when an older man in a yellow scarf and wide-brimmed hat appeared, claiming to be Charles Crocker hi