A couple of questions regarding the AI behavior with revolution.
1. Is it possible to increase the "value" of happiness and health to the AI? I have found an effective strategy can be to simply knock out happiness and health resources and use spies to foment unhappiness, eventually leading to a revolution within your enemy's empire. It would be great if the AI understood it should do the same thing to me more frequently.
2. Is it possible to increase the likelihood that the AI will raze a city? I notice they very rarely raze cities, leading to a lot multicultural empires with frequent revolutions (also makes it easy to create unrest via spies as above). If they are willing to deploy a huge force to stay in the city, they can usually hold onto it with the "city garrison" bonus, but this is often not possible. On the other hand, I understand that if I have no culture in a city and cannot commit troops to hold it, it is only going to cause trouble in the end, so I just raze it and found a city there when I have the chance.