Please comment, we need specific answers. Ask for editor privileges if you want to work on the file: https://docs.google.com/presentation/d/10VRO08J8Eh5OSIPo90MWNn6p0ffBW165AGIE1Po0Mwg/edit?usp=sharing

Tim W. (or anyone) should stop me if I have proposed changes that are too arduous.

Cheers,