Tom Brokaw: Alzheimer’s was ‘abstract’ until it affected my family

November is Alzheimer’s Awareness Month, and the Fisher Center at Rockefeller University is on the frontlines of the battle against the disease. Howard Lutnick, who leads the board at the Fisher Center, and Dr. Marc Flajolet, who is researching the disease there, join NBC News special correspondent Tom Brokaw on TODAY to talk about the latest developments in the search for a cure.