“Scientific debates should be played out in the academic arena,” insists University of Virginia environmental sciences professor David Carr. “If Michael Mann’s conclusions are unsupported by his data, his scientific critics will eventually demonstrate this.” Carr and 809 other Virginia scientists and academics signed a petition launched by the activist Union of Concerned Scientists, protesting Commonwealth Attorney General Ken Cuccinelli’s investigation of former University of Virginia professor Michael Mann. The American Association of University Professors likewise opposes Cuccinelli, who is seeking documents from UVA, to determine whether there are grounds to prosecute Mann for violating the Fraud Against Taxpayers Act,...