 The FDA needs to regulate this. The FDA needs to regulate that. The FDA shouldn't regulate this. Congress would have to spell it out based on today's decision. If Congress doesn't, it's up to the states. So state leaders are calling this a win. Critics are saying this is a complete hollowing out of the federal regulatory body. One critic saying this is basically saying the federal government has been nullified when it comes to regulating our lives for safety and environmental concerns and air quality concerns.