This is what's going to convince Americans to invest in local food and alternative energy: the demise of the backyard barbecue. High gas prices are finally trickling down into U.S. food markets, and the red-meat-loving New York Post has calculated that an outlay of burgers, hot dogs, trimmings, potato salad, and ice cream will cost 29 percent more this year. Last Memorial Day, feeding 12 people would have cost $154 if they brought their own beers. This year, it’ll be $199. (We’re assuming that if they didn’t bring beer, you didn’t invite them back.) When everyone's had a few beers …
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