HOOD RIVER, Ore. -- Northwest-born Gardenburger and Tofurky are vegetarian alternatives to meat. They sell well, but they don't fool any meat lovers. This year, food companies from here and abroad aim to debut fake meat products that come closer than ever to mimicking the real thing. Dutch researchers claim they can grow hamburger in the laboratory from just a few bovine stem cells. But are people really craving a Petri-patty? Correspondent Tom Banse explores that question.
