Courtesy of John Whitaker Ken Whitaker has a competitive spirit. So, when he was playing a game of Twister with his 4-year-old grandson at his daughter's house during her birthday celebration ...

A game of Twister between grandfather and grandchild ... from the University of Oxford in the U.K. concluded that those kids who benefited from a great level of grandparental involvement ...

Ken Whitaker was playing a game of Twister with his 4-year-old grandson during a family party at his daughter's house Despite being 65 years old, Ken was doing pretty well. But eventually ...