Adams, testifying at a trial over how police stop, question and sometimes frisk people in public, detailed his interpretation of comments made by Police Commissioner Raymond Kelly during a 2010 meeting with then-Gov. David Paterson and other lawmakers.
While it was acknowledged that 'common good' status was technically difficult to explain and open to interpretation, examples of parks and town halls earmarked for public use, were just two put forward by councils.
By emphasizing precaution, advocates can favor those studies that appear to show a hazard and appeal to the public, always relying on the argument that anyone who questions the interpretation of the evidence must be a shill of industry.