HCNN - ‘He was excited about it:’ Friend of billionaire on missing Titanic sub

‘He was excited about it:’ Friend of billionaire on missing Titanic sub | Elizabeth Vargas Reports
Hamish Harding is one of the five people on board a missing submersible that was touring the remains of the Titanic. Harding’s friend Col. Terry Virts joins “Elizabeth Vargas Reports.”