Today is Flag day. On June 14th, 1777, the Continental Congress adopted the Flag of the United States. The story we all know says Betsey Ross sewed the original flag, improving on the design the Continental Flag Committee handed to her. Yet, historians are quick to point out they can't prove she actually did so. There is just strong circumstantial evidence to support it. And the story fits with the other myths we create around the founding of our country. So everyone enjoys it. Similarly, we enjoy the stories around the creation of inventions and new ideas. On a hot summer day, laying on your hammock enjoying a tall glass of iced tea, have you ever wanted to thank the...