A table featuring radio-frequency bugs and taps was doing a bang-up business. A man and woman with towering headdresses and face paint were boldly retailing the whole gamut of the covert-listening industry: bodywires, gooseneck flashlights, wire crimpers, grounding kits, adhesive spongers, dental picks and forceps, and box after box of fingernail-sized audio bugs. Who but nomads, the permanently unemployed, would enjoy the leisure of patiently listening, collating, and trading juicy bits of overheard dialogue? Oscar examined a foam-filled box jammed with hexhead cam wrenches.