Overcoming climate change is a challenge for those "coming of age," much like World War II was for the Greatest Generation, Bill Nye "The Science Guy" asserted. Nye claimed that climate change was "certainly the most serious problem facing humankind right now" while on HuffPost Live May 7 with host Josh Zepps. "So what I want to do is create the next Great Generation," Nye said. He said the members of the Greatest Generation "pitched in" to win World War II. "And so I want the people coming of age now, the president’s kids and stuff, to work together to...