"nor was it communicated within the Pan-European Civilization of the time"
Not likely... Chris Coloumbus knew there was land between Europe and India...
Also anybody got a -good- link to this Kennewick man thing??? The Kensington Runestone, I already know is a load of rubbish... but I'm not sure that I've ever even heard of Kennewick Man... I'd like to ahve some more info on the dude!