Zenster is largely correct except for one thing. Homosexuality is taboo in China, the bare branches will never adopt it, instead we are already seeing China raid it’s neighbors through organized sex-slavery (human trafficking) which is a huge problem in Burma, Thailand, Vietnam, Malaysia, Laos, Cambodia, and so on.

The combination of: HUGE migration from the interior to the coasts, rising expectations of the middle class crushed by high energy prices, tendency towards warlordism in China’s provinces, various Muslim jihad groups, and the bare branches angry at being excluded from family life, adds up to one way to maintain national unity:

WAR.

China, at some point, will HAVE TO make war to simply maintain unity. A bonus, many of it’s neighbors (in Central Asia, SE Asia) are weak, with no/few friends, and resource rich. Africa is tempting too, particularly if India and the US can be bargained with (they control the sea lanes).

[America's PC is going to die of course under expensive gas. Suburban life allows PC. Witness South Boston's reaction to forced busing in the 1970's to understand how middle/working class whites will react to being forced into cities with lots of criminal minorities, their kids in schools getting beat up every day and learning nothing. It will not be pretty, rather Jacksonian, with an overthrow of the coastal (childless) elites.]