Storm-proofing New York is slow going five years since Superstorm Sandy

Superstorm Sandy flooded coastline communities and led to billions of dollars in damage. Five years on, the city of New York has tried to mitigate the impact of a future disaster, from raising houses to building seawalls. But turning ideas into reality has been slow and complicated. Science correspondent Miles O'Brien reports on how the city is building resiliency and the hurdles that remain.