World's greatest photographer's bust-card – Boing Boing

The next time you’re stopped by an authority figure for photographing a federally owned or federally leased building, just hand the law’s agent this declassified 2010 DHS directive that unambiguously states that photographing public buildings from a public place is legal, and that harassing people for doing this is illegal, and that asking photogs to delete or hand over their images or videos is also illegal.