"How about the "civilization first appeared in the Americas"?" Okay. Go to post #4 on this thread, click on 'Gods, Graves, Glyphs', Then scroll down to the thread titled, "Calico: A 200,00-Year Old Site In The Americas?"
Thank you. I do enjoy these other theories, because that is what science is all about - posit theories that are not commonly accepted, and show that they are either consistent or inconsistent with the data.