John Kirby grilled on mysterious New Jersey drone sightings: 'Why don't we know?'

White House National Security Communications Advisor John Kirby maintained that the government still lacks definitive answers regarding the nature of reported drone sightings as public frustration intensifies.

"Many of the corroborated sightings have turned out to be piloted aircraft. I didn't say all of them, and what I said was those are the ones we were able to corroborate," Kirby said on "The Story." "There certainly is ones that we have not been able to, and we don't know the answer to it...