Biden's big fall sparks key debate; Americans ask, 'US future safe in oldest President's hands?'

The U.S. President's latest fall was a scary moment. 80-year-old Joe Biden tripped over a sand bag on June 2 during the the Air Force Academy Graduation in Colorado. This sparked a full-fledged meme-fest on Twitter and a crucial debate on how old should the President be. Many Americans questioned if the future of United States was safe in Biden's hands. Watch.