All. Mo rocca will report on our cover story. More than 5 million americans have alzheimers disease. Keep your eyes closed. Reporter which continues to stymie some of the best minds in medicine. But this sunday morning, we will take you to columbia, to meet a family whose unique genetic makeup could provide a road map for fighting the disease. Some of the Family Members believe that illness was caused by a curse that a priest put on their town. Reporter join them for the longest journey ahead. Osgood taking the fall comes easily to the hollywood performers our lee cowan has been ghachg action and i do mean action. Ready . Count off. In the minds of most Insurance Companies being a stunt person is probably not a good risk. Especially when those who do it do it over and over. Anybody can do what we do once, when it comes to take this and you have to keep doing it, thats what we get paid for. The actors behind the action. And why they keep coming back for more. If anyone is a happy guy th