Retired NORAD Officer's New Book Predicts a Tentative Worldwide UFO Display on October 13, 2010 ... A newly-published book by a retired NORAD officer predicts October 13, 2010 as the tentative date for a fleet of extraterrestrial vehicles to hover for hours over the earth's principal cities. Author says the event to be the first in a series intended to avert a planetary catastrophe resulting from increasing levels of carbon-dioxide in the earth's atmosphere dangerously approaching a "critical mass." – Yahoo