[SunkenCiv]

Thanks Renfield.

Controversy over what sparked the Younger Dryas, a brief return to near glacial conditions at the end of the Ice Age, includes a theory that it was caused by a comet hitting the Earth.

Huh? Correct me if I'm wrong, but that's not in the book I read. Straw Man Alert!

The Clovis comet impact model is correct, and is founded on valid data -- and merely explains the precipitous extinction of the megafauna. That includes the mammoth -- the youngest samples of which actually had micro-sized impact-related junk embedded in their tusks.

This "new" denial comes at a curious time, a year or two after the previous total refutation [sic] -- odd timing for something that has already been refuted, eh? This is the same process (and one of the same arguments) that went on (and still goes on, among unreconstructed natural selection zealots) over the K-T impact extinction model.

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[ComputerGuy]

Meltzer can't stand the idea of a European connection. That's his main problem. He may or may not have a valid point with the data he's using for this, his latest attack on all things pre-Clovis. I don't know. What I do know is that the evidence for Europeans in ice-age America, which includes an artifact made from French flint, is overwhelming. Most Clovis sites are in the East and South. All pre-clovis sites are in the East and South.
For those interested in the subject, I heartily recommend Across Atlantic Ice by Stanford and Bradley.

“I’m not going to hang a completely novel interpretation of the peopling of the Americas from something dredged off the sea bottom 40 years ago and not properly documented,” said David Meltzer, an archaeologist at Southern Methodist University....