Alzheimer’s: The devil we know

Today Barbara is joined by Karen Patterson, who attended Barbara’s “Memory Club” and other memory-care groups with her husband, Bob. Bob was -- literally -- a rocket scientist, and in his late 50s he was the first to notice that something was wrong. Karen believes it was the pressure of his work on top of his brain changing that was too much, and once he started making mistakes and forgetting important things, he chose to retire at 59. They discuss what life was like after Bob retired, and th...