The Smith-Mundt Act of 1948, which prohibited US groups from influencing public opinion, was effectively nullified by a section of the 2013 National Defense Authorization Act (NDAA). http://finance.yahoo.com/news/us-government-funded-domestic-propaganda-135410336.html
During WW II, the US taxpayer-funded organization Voice of America (VoA) promoted favorable aspects of American society to a global audience. This organization is authorized to restart transmissions under NDAA.
- U.S. Repeals Domestic Propaganda Ban (drudge.com)
- Now Legalized, US Propaganda Swears It’s ‘Fair and Accurate’ (antiwar.com)
- U.S. Repeals Propaganda Ban, Spreads Government-Made News to Americans (brandontward.blogspot.com)