Known as the Kid President, American teenager Robby Novak thinks it's cool to be kind, and that compassion and curiosity can help change the world. A YouTube sensation and author of two books before he was 12 years old, Robby promotes his belief that everyone matters and has a purpose. Despite his ongoing struggle with a difficult disease that makes his bones brittle, Robby's mission is to dance the world toward happiness and show people that everyone...