Donald Slips Pluto a Mickey, Everybody Turns Goofy
Well, here's some news. Science is not static. If it were, it would be called religion. Science is a process about trying to better understand the universe, learning new things, classifying.
If you are fighting based on your personal emotions and beliefs that Pluto should remain a planet, then you are the same as the people who fought to keep Plan B contraceptives off the shelves at drugstores or who deny global warming. Get over yourself and let the world move on.