In the United States dangerous drugs are regulated by the U.S. Food and Drug Administration - not rigorously enough, according to some of the FDA's fiercest critics. In 2005 the FDA came under fire from Dr. David Graham. His words carried extra weight because he was an insider - a senior scientist within the FDA's own office of drug safety, CBS news reported. See this alert over the dangers of Actos. Graham said the FDA was allowing dangerous drugs to stay on the market, and had failed to w...