laughter for ken. and songs for mark. ♪ and did it my way ♪ ♪ we could feel the sweet vibrations ♪ ♪ and i understood just by the look in your eye ♪ >> there's still a lot more studies to be done on cannabis and its risks and benefits for the elderly, but it is already catching on. people over 65 years old are now considering the fastest-growing demographic of cannabis customers. thanks for watching "the whole story." story." i'll see you next sunday. -- captions by vitac -- www.vitac.com what can you tell us about the people who have just landed on this planet? >> it used to be when you looked at a movie or a tv show set in the future, there were no black