Suddenly, you find yourself possessed with the power to totally rid the planet of one species, one creature. This is your chance. You lift your face to the moonless night and laugh a shrill cry of victory, for you are about to cause the extinction of.... What? What is your candidate for the #1 "We'd be better of without" list? Fleas? Lice? Cockroaches? Republicans? (ok, just kidding ) Democrats? (equal time ) Mosquitos? Humans? What would you kill off? And if you feel like it, why?