"You know, the Clovis-first model has been dying for some time," he
finished. "But there's nothing harder to change than a paradigm, than
long-standing thinking. When Clovis-First was first proposed, it was a
very elegant model but it's time to move on, and most of the
archaeological community is doing just that."

http://www.google.com/gwt/x?u=http%3A%2F%2Fwww.bbc.co.uk/news/science-environment-15391388&wsi=68a4ecb312c046ce&ei=tVulTtj7NZPwwwXg7uS-BA&wsc=yq

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