Hundreds of mysterious metallic orbs have been uncovered buried beneath an ancient pyramid in Mexico City. Archaeologist Jorge Zavala called the objects, which date back 1,800 years, an "unprecedented discovery." More here.
First Half: Grant Cameron, who has for decades dedicated himself to researching what American presidents have known about the UFO phenomena, has reached the conclusion that presidents' denying knowledge is just a cover, and that they actually have known and do know the truth. Cameron joined George Knapp to discuss how the Clintons have been the most open about their handling of the mystery and the role of Clinton's campaign manager.
Second Half: Christopher Mellon spent nearly 20 years in the federal government serving in various national security positions. For the first time, he has spoken publicly about his experiences within government as they relate to UFOs. He discussed his experiences in the intelligence community and his belief that there is no organized coverup, but simply a strong reluctance to deal with the subject.