Bill Nye the Science Guy is a famous scientist who has hosted many shows creating videos for people ranging from 5 years old to adults. He is a Democrat, and endorsed Obama's re-election.  
Bill Nye studied under the legendary Carl Sagan. 
Nye insulted 2016 Republican Presidential Candidate Donald Trump on Global warming. Nye pointed out that voters under 30 are really concerned about climate change. After all they and their Children will have to live through the change. Nye doubts if any Presidential candidate can get elected with only votes from people over 30 and Older. 
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