Since 9/11, there has been, at first secretly but increasingly openly, a revocation of the bill of rights for which this country fought over 200 years ago. In particular, the fourth and fifth amendments of the US constitution, which safeguard citizens from unwarranted intrusion by the government into their private lives, have been virtually suspended. The United States is not now a police state. But given the extent of this invasion of people's privacy, we do have the full electronic and legislative infrastructure of such a state. These powers are extremely dangerous. There are legitimate reasons for ... secrecy about communications intelligence. But what is not legitimate is to use a secrecy system to hide programs that are blatantly unconstitutional. In 1975, Senator Frank Church spoke of the National Security Agency in these terms: "I know the capacity that is there to make tyranny total in America, and we must see to it that this agency and all agencies that possess this technology operate within the law and under proper supervision, so that we never cross over that abyss. That is the abyss from which there is no return." The dangerous prospect of which he warned was that America's intelligence gathering capability - which is today beyond any comparison with what existed in his pre-digital era - "at any time could be turned around on the American people and no American would have any privacy left." That has now happened. That is what [Edward] Snowden has exposed, with official, secret documents. We have fallen into Senator Church's abyss.