Three years ago, a 9/11 fireman's kids brought 'Shark Tank' stars to tears. Now, they're carrying on his entrepreneurial legacy

In 2018, Keith Young's children took their late father's Cup Board Pro to "Shark Tank" and walked away with $100,000 and a deal with Williams-Sonoma. Now, Kaley Young discusses how she and her siblings have continued to carry on their father's legacy.