Stephen Colbert and Neil deGrasse Tyson Discuss the New Horizons Mission, Debate Pluto’s Status, and Eat Ice Cream

In a recent online video by The Late Show, host Stephen Colbert and guest Neil deGrasse Tyson discuss the New Horizons mission that recently flew by Pluto. Colbert and Tyson also debated Pluto‘s status as a planet and enjoyed some ice cream bars.