In 1997, thousands of people reported a series of optical phenomena—since known as the Phoenix Lights—taking place in the skies over the US states of Arizona and Nevada. The sightings consisted of two events: a triangular formation of lights observed passing overhead and a series of stationary lights seen in the Phoenix area. Although the US Air Force identified the second group of lights as flares, many believe the first set of lights were those of a UFO, including what notable politician? Discuss