Colbert Takes a Look at the Demotion of Pluto as a Planet Posted by Justin Lane | Jul 16, 2015 | Culture | 0 | With unprecedented images coming back of Pluto, it’s time to reignite the debate about where Pluto falls on the planet, dwarf-planet spectrum. Stephen Colbert takes Neil DeGrasse Tyson to task for his position on Pluto. Watch.