The following weekend, while the president was off to Key Biscayne, Secret Service technicians carefully drilled five microphones up through the president’s Oval Office desk and covered them in a thin layer of varnish. Other microphones were hidden in the lights atop the fireplace mantel. Everything fed into Sony 800B tape recorders hidden in a sealed compartment in the White House basement—and all of it, Wong explained, was voice-activated.
