Was it Flea's enthralling bass line in "Higher Ground"? Or the octave-shifting sounds of Anthony Kiedis' yells in "Sir Psycho Sexy"? Or how about the masterful drumming by Chad Smith in "Can't Stop"? Maybe John Frusciante's screeching guitar chords in "Around the World"? We might never know which exact songs the agency used, but we do know this: The CIA used songs by