Mozley and Burns' (2006) discussion reminds me of current discussions on paleotemperature elsewhere. In the July 29, 2005, issue of Science, the following statements are presented: “Two teams of researchers, studying the same evidence with the same techniques, have painted diametrically opposite pictures of a key period in the history of Earth's climate, which climatologists are probing…It's a tough issue to sort out…‘What's at stake is the regional distribution of climate,’ both past and future” (Kerr, 2005, p. 687). We have to wait for more data. This is difficult work, and it is easy to be misled....

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