My children, Daniel and Elise, at Crane's Beach with their sand castle, Puff's in Love (1997 version). 1994's sand castle was Puff's Back. 1993's sand castle was Puff's Retreat. My wife Wanda instructs students in English-language learners (ELL) at the Bowen School in Newton, Massachusetts. One of my favorite stories from her classroom is about double negatives: she was trying to explain the conce