A public accounting is proving to be an "onerous job of trying get everyone to come clean," one government adviser said.People gather at a UFO-themed mural in Hiko, Nev., on September 20, 2019. | Mario Tama/Getty ImagesThe truth may be out there. But don’t expect the feds to share what they know anytime soon on the recent spate of UFO sightings.Some military and spy agencies are blocking or simply ignoring the effort to catalog what they have on “unidentified aerial phenomenon,” according to multiple current and former government officials. And as a result, the Biden administration will...…A public accounting is proving to be an "onerous job of trying get everyone to come clean," one government adviser said.People gather at a UFO-themed mural in Hiko, Nev., on September 20, 2019. | Mario Tama/Getty ImagesThe truth may be out there. But don’t expect the feds to share what they know anytime soon on the recent spate of UFO sightings.Some military and spy agencies are blocking or simply ignoring the effort to catalog what they have on “unidentified aerial phenomenon,” according to multiple current and former government officials. And as a result, the Biden administration will...WW…