But what, you’re asking yourself, has any of this got to do with Pluto? Well, here’s a funny fact about a lecture that’s supposed to be about Pluto: nothing, folks. [Hiccups.] Our break-up had just about nothing to do with Pluto. Barely had much to do with square dancing either, frankly. But, I’d like to take you back to 2006 for a minute, when Pluto was demoted to a dwarf planet.