Why? Please, tell me at least one thing (when thinking about civilisation) where Native Americans surpassed other Civs. For example - Egyptians - built pyramids. Sumerians - at least they invented, and been using, a wheel. Greeks - philosophy, architecture etc. Countries of west and eastern europe have made significant progress in past 1000 years - from barbarians to really modern countries. And what progress did Native Americans do? If the europeans didn't land there they would be still running half naked and living in shacks... Better news flash: other standard civs achieved higher level of civilization and were, for example, capable of understanding engineering and able to build huge stone buildings. Native Americans failed to achieve it and did a gigantic leap only after contact with europeans. See the difference? So always a BIG NO to new American Natives leaders. I know that it would be great thing for Americans and descendants of Native Americans who live in US (so few more American customers will be happy) but including next Native American leader (or even whole Native American civ) is silly. As silly as adding Inuit civ, Pygmy empire or Mighty Australian Aborigines Empire of Hopping Kangaroo.