Spurred by new laws restricting the sales of cold remedies such as Sudafed, which contain pseudoephedrine, a necessary component of popular meth-cooking recipes, police and prosecutors across the country have been arresting convenience store clerks -- sometimes on charges that carry substantial prison sentences. In one Georgia case, authorities made mass arrests of immigrant store clerks and owners, but it's starting to look less like a criminal conspiracy and more like culturally naive foreign-born merchants simply trying to sell their merchandise. It's all a big waste of money, says the Drug Policy Alliance, which issued a press release this week...