At its best, Thanksgiving's bounty inspires gratitude; at its worst, vegetarian angst. Non-meat eaters, when faced with a table that could be confused with a turkey temple, often fixate on the meat. They scratch their heads and wonder, "What's in it for me?"The answer: A lot. A whole lot. Vegetarians can eat creamy vegetables, mashed potatoes, stuffing, and a vegetarian gravy that's just as good — even better — than any made with meat or chicken stock.Even without the turkey, vegetarians have a lot to be thankful for.Thanksgiving root vegetable pie by Marian Bull Scalloped...