'Titanic' director James Cameron on implosion of Titan sub

"I'm struck by the similarity of the Titanic disaster itself, where the captain was repeatedly warned about ice ahead of his ship and yet he steamed at full speed into an ice field," "Titanic" director James Cameron told ABC News. SEE MORE: https://abc7chicago.com/missing-sub-titanic-underwater-noises-detected-debris-field/13413761/