More news from E3! "Civilization V Breathes New Life Into the Series" The Escapist Magazine titles it's E3 preview. The article brings more news about the known E3 topics: social policy, victory conditions and City States. But the article is not a repeating of already known information.
We learn that the Social Policy tree unlocks the very large "Utopia" wonder that leads to a cultural victory. A civ can build it when 6 out of 10 social policy branches have fully been researched. Every branch consists out of 4 or 5 policies. The Aristocrazy policy, in example, gives a 33% wonder build increase. "The goal is for these policies to be important for everybody, and not just the culture players"
You can read the article right here. Enjoy!