Colombia’s U.S.-backed fight against drug traffickers and armed groups could be a good model for Afghanistan to follow in its effort to battle illegal narcotics, a top U.S. general said on Friday. Financed by millions of dollars in U.S. aid, Colombian President Alvaro Uribe has pushed back left-wing rebels, demobilized thousands of rightist militia and sought to tackle the huge cocaine trade that helps fuel the Andean country’s conflict. Full Story