Hey Bob... I'm just lurking around here, after spending my time in EN. Saw your rant and had to mention this:

You forgot the most potent tool you have. Your successful happy life.

His actions will catch up with him. Noone lives by deceit and does not have deceit destroy them, that I have seen.

Your best revenge will be to put your life together and while he destroys himself, he will have the joy of remembering you and your wife riding off together into the sunset, so to speak.