Multiple Deaths Confirmed From Iowa Tornado; Singapore Airlines CEO Apologizes for Fatal Flight | NTD Good Morning (May 22)

A tornado in Iowa has reduced parts of a small town to rubble. A resident of Greenfield describes the powerful storm that left death and devastation in its wake. One person is dead and dozens injured after a Singapore Airlines flight hit heavy turbulence. What happened in those few seconds on board, and why? There was no testimo...