Vegetarian alternatives to traditional holiday favorites are becoming increasingly popular and profitable by Rebecca Reisner With Thanksgiving upon us, the folks who make the vegetarian poultry alternative known as "Tofurky" have good reason to flap their wings. Having survived sitcom jokes and glacially slow initial sales, Turtle Island Foods is celebrating the sale of its 1 millionth Tofurky roast since the product was hatched in 1995. "At first, retailers didn't believe anyone was crazy enough to make a whole Tofurky roast for Thanksgiving," recalls Seth Tibbott, founder of Turtle Island Foods, located in Hood River, Ore. "The first one served...