[Yossar]

Originally posted by Zapmeister:
Still on the subject of handling anti-social behaviour, how about automatically shifting a nation to AI control after some number (say, 2) of consecutive stale turns ?

Nah, that would cause more unforseen problems than it's worth since switching to AI is permanent (unless that were changed too). It isn't that hard to keep track of players and switch them to AI if their being problematic.