CIA admits: All those UFO sightings in 1950s? 'It was us'

As far as "best of 2014" lists go, the CIA has a pretty irresistible one: On Dec. 22 it started tweeting links to the 10 most popular articles of the year that it shared on Twitter, and the agency arrived at No. 1 yesterday, tweeting: "Reports of unusual activity in the skies in the '50s?