My mom has only commanded a classroom since I was a teenager, but she's always been a teacher at heart, and when I was a kid growing up in the southern suburbs of Denver, she'd devise elaborate lessons for my brother and me to carry out over summer break, packing us into the minivan and taking day or weekend trips to obscure corners of Colorado. We were particularly fascinated with the gold rush and this state's mining history, and we spent a lot of time in towns like Cripple... More >>>