F orty-five minutes before school was supposed to start, I was called to be a substitute for the day. “Somewhere in Albuquerque, someone needs a substitute teacher,” Scott intoned in his best blockbuster movie trailer voice. “And when that need arises, Mommy springs into action!” I didn’t mind the short notice. It left me with the smallest possible window within which to panic. I was more concerned that my first full-day assignment as a substitute teacher would be as an art teacher. When asked to offer up a bit about my strengths and weaknesses in my job interview, I promptly confessed to a decided lack of craftiness. Depending on what you’re looking for in a person hired to fill in for a primary school…