http://thenextweb.com/creativity/2015/01/07/ansel-adams-act-seeks-restore-photographers-first-amendment-rights/ Sorry if this has been discussed before It looks like a step in the right direction for protecting rights and freedoms of US photographers
The bill explicitly states that “still and motion photographs are speech” and that government attempts through threat and intimidation to prevent people from photographing or otherwise recording in the public space violate the First Amendment to the US Constitution.