Former Black Hawk pilot optimistic about black box discovery

Ret. Lt. Col. Darin Gaub, who flew Black Hawk helicopters, joins ‘Fox Report’ to assess what evidence a black box could help investigators find from the D.C. mid-air collision. Ret. Lt. Col. Darin Gaub, who flew Black Hawk helicopters, joins ‘Fox Report’ to assess what evidence a black box could help investigators find from the D.C. mid-air collision.