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Small correction: Michael Mann is presently employed by Pennsylvania State University, not the University of Pennsylvania. The latter is one of the Ivies, not a state university.

Full disclosure: I have one cousin who went to Penn (School of Dental Hygiene) and another who graduated from Penn State and flies for USAirways. Neither likes having their respective schools confused with each other.

Mann’s home page, for any BCers who are interested:

http://www.meteo.psu.edu/~mann/Mann/