Organizers of the Scuba Show have announced a couple changes to the itinerary of this weekend’s event in Atlantic City, New Jersey. “First off, unfortunately, after a car accident, John Chatterton has had to pull out of his scheduled talks at the last minute. Kirk Krack, who developed the concept of ‘Technical Freediving,’ has stepped in after his talks at the Long Beach show. He will be talking about DEEP’s ambitious Aquon training program.