One possibly better approach would be to replace the new feed with a feed composed only of items that have spent less than 15 minutes on the front page (because everything deserves 15 minutes of fame).
You then sort this new feed like the front page (though perhaps with nonzero start points) -- so there's both decay and a chance that good articles without a ton of initial votes, eventually get up there (though perhaps on slow news days).
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One possibly better approach would be to replace the new feed with a feed composed only of items that have spent less than 15 minutes on the front page (because everything deserves 15 minutes of fame).
You then sort this new feed like the front page (though perhaps with nonzero start points) -- so there's both decay and a chance that good articles without a ton of initial votes, eventually get up there (though perhaps on slow news days).