SAGE was a great pioneering thing, but here's a take that's likely not to be popular here. Les Earnest is a genuine greybeard, and appropriately crusty. http://www.stanford.edu/~learnest/e2a.html I know SAGE is a sacred cow, but they often make the best burgers. Also check out some of his other pleasant rantings at http://www.stanford.edu/~learnest