"No inherent power"
When the Foreign Intelligence Surveillance Act was created in 1978, one of the things that the Attorney General at the time, Griffin Bell, said -- he testified before the intelligence committee, and he said that the current bill recognizes no inherent power of the President to conduct electronic surveillance. He said, 'This bill specifically states that the procedures in the bill are the exclusive means by which electronic surveillance may be conducted.' In other words, what the President is saying is that he has these inherent powers to conduct electronic surveillance, but the whole reason for creating this act, according to the Attorney General at the time, was to prevent the President from using any inherent powers and to use exclusively this act.
But they were only facing Soviet Communists with nuclear missiles and stuff back then. We're in a new kind of war now.