Rules before strategy or how I'm trying to teach statistics and causal inference

The end is near on my Gov 50 class. I will write an autopsy report for myself once it’s done — what I learned, what worked, what didn’t work, what I would have to do differently next time, and so forth. Even what my own course objectives are and whether those need a radical overhaul. But until then I thought I’d share some of the things I did this se…