BASRA, Iraq - Hussein Karim sold his three cars, he sold the land where he planned to build a house, and he spent his savings - several thousand dollars - all on his crystal meth habit. He is one of thousands of meth addicts in Iraq, a country where drug problems have been rare. But growing addiction here is the most recent manifestation of how the social order has frayed in the years following the American invasion in 2003. Mr. Karim, 32, now lives in a windowless room with his wife, his three children and his disabled brother. [continues 1572 words]