I spoke too soon in my previous post — those were not the last additions to The Best Sites To Learn & Teach About Thanksgiving. These are:
Why we celebrate Thanksgiving every year. It isn’t what you think. is from The Washington Post.
Map: Where your Thanksgiving dinner comes from is also from The Washington Post.
Seven global trends to be really, really thankful for is from The Wash. Post.
Thanksgiving Used to Look a Lot Like Halloween, Except More Racist is from The Atlantic.