Welcome back to Progressively Incorrect. I'm your host, Zach Groshell, and today we are talking about Montessori. I'll admit, I came into this conversation skeptical. Most of what gets sold as "Montessori" today is a watered-down, follow-your-bliss version of what Maria Montessori actually wrote. The popular caricature— that Montessori is a free-for-all where kids drift…