I have been playing Civ 4 alot so that I can get a lil bit more prepared for Civ 5. Ive noticed how the AI dosent co-operate well. I have invaded countries and cut them off (political boundary wise) from a city and they still want to keep the city! The AI dosent pay attention to the boundaries of their country and are super stuborn about cities. What would you all like to see change about diplomacy and the AI? And what do you all know about the new diplomacy system?