Disclaimer: Check out the first part of this series, HOW DO MACHINES LEARN? PART I: THEY TRAIN. History is filled with amazing brawls, but some stand out above the rest: Ali vs. Frazier. Tyson vs. Holyfield. Generator vs. Discriminator. *  record scratches * Ok, that last one sounds like it came from the last Transformers movie. And, honestly, it sorta