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In recent years, the First Amendment’s protections have been increasingly extended to commercial speech, such as product advertisements. However, significant gaps still exist; in areas such as the health benefits of moderate alcohol consumption, federal prohibitions still restrict the public’s ability to learn about well documented scientific findings.
Source URL: http://cei.org/agenda-congress/protect-free-speech-rejecting-content-regulation
 http://cei.org/sites/default/files/Blomquist and Crews - Protect Free Speech by Rejecting Content Regulation.pdf