The Bush administration is asking Congress for a second major expansion of federal surveillance powers that wouldallow for the “disruption” of what the attorney general calls suspected terrorist groups. The proposal would loosenone of the most fundamental restrictions on the conduct of the FBI that were imposed in the 1970s after the death ofJ. Edgar Hoover and the disclosures that the FBI had run a widespread domestic surveillance program, Cointelpro, tomonitor the Black Panthers, Rev. Dr. Martin Luther King, Jr, and antiwar activists.