FDA has put on hold until next March a controversial tobacco "intended use" rule that sparked controversy due to a last-minute addition that industry said posed extensive liability issues for drug and device manufacturers. Key industry groups petitioned the agency last month to put the rule on ice, and FDA said Friday (March 17) that the regulation, originally slated to go into effect Feb. 8 and pushed back to March 21 due to the regulatory freeze, has now been delayed...