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https://lasp.colorado.edu/people/david-summers/ David Summers - Laboratory for Atmospheric and Space Physics david summers laboratory atmospheric space physics https://econospeak.blogspot.com/2007/12/david-wessel-and-mark-thoma-on-summers.html?showComment=1198299480000 EconoSpeak: David Wessel and Mark Thoma on The Summers Call for Fiscal Stimulus