Local political writer Ari Armstrong, author of FreeColorado.com and columnist for the Grand Junction Free Press, likes nothing better than to fire up his lowercase libertarian indignation against what he sees as the meddling of big government, abuses of personal liberty and the suppression of free-market ideals. And with President Barack Obama's multibillion-dollar stimulus plan grabbing headlines, Armstrong should have lots to fume about. So what's the latest target of his cerebral ire? Food