How to make a call tree that still works when people flake

I believe techniques from math and science are able to help us produce stronger organizations (if the educational and political barriers can be worked through).&#xA;If this is true, we should probably be able to come up with at least one concrete example today. Here is a very modest example.&#xA;A good system for alerting or mobilizing people is a call tree. The person instigating the alert calls…