The defining characteristics of a planet (a round thing which orbits the Sun and has ‘cleared the neighborhood’ around its orbit) “baffled the public and classrooms around the country,” according to the HSCFA.
Basically, they said we’re too stupid to understand it needs to be classified with other dwarf planets. A+ job Americans. Just keep being whiny and confused when things change.
This is also why we’re stuck on the dumbass imperial system you know.
EDIT: And, if you read further (the Time article linked from there), the audience voted on whether it should be, not the scientists. Sorry guys, still not a planet because a couple of hundred debate listeners think so.