The Chicago Department of Aviation says two more officers have been placed on administrative leave after a Kentucky doctor was dragged off a United flight Sunday.One officer was placed on leave Monday, one day after the incident. CDA said it will not release the names of the officers.United Airlines CEO Oscar Munoz spoke Wednesday in an exclusive interview with ABC News about the passenger, who was bloodied as he was violently dragged off an overbooked flight at O'Hare International Airport.