ON this Martin Luther King day, it is customary to review the progress African Americans have made in striding towards a level of equality with the majority races.But I wish to speak of the unsung heros of the Civil Rights movement: Velociraptors.I, as a velociraptor in a wool suit, have experienced HORRIFIC discrimination since the day I first poked my snout out of the stout eggshell that served as my womb.The level of discrimination a dromaeosaurid theropod dinosaur from the Cretaceous faces, is unreal. Hell, I walk onto a MARTA train ...and everyone screams and runs, and MARTA police are...