jonathan: investigation complete, simpson's former estate. ♪ he's begun forgetting words. forgetting where he lives. but when the day comes when he forgets who i am, i'll still know who he is. the first time we said i love you we didn't use words. we simply held each other's hands. we still are. i lost my dad to alzheimer's. preventing alzheimer's is within our grasp. let's double the budget of nih and get it done. i'm david trone and i approve this message.