'Aqua Alert' survivors meet the Minnesota family behind it

A Minnesota family took from their own tragedy to produce a life-saving idea that's showing promising results. Example video title will go here for this video Example video title will go here for this video "There was no way to get additional boats looking for him at that time, even though there were lots of people in the harbor," David's wife, Judy Schink, recalled. "Helicopters and the airplanes couldn't fly or see because the fog was so heavy. So they wanted to get boats on the water, but we had...