Headline: Michael Mann’s Hatchet Job on Keystone XLLink: http://www.globalwarming.org/2014/05/13/michael-manns-hatchet-job-on-keystone-xl…Publication Date: Wednesday, May 14, 2014Primary Source: Global WarmingNon-Cato Author: Marlo LewisType: new media postFormat: Web Only OutletNature of Mention: citedScholar: Knappenberger, Paul C. "Chip"Research Area: Energy and EnvironmentSubjects: the Keystone XL Pipeline