Dubious prognoses

Via "Paul Krugman":http://krugman.blogs.nytimes.com/2011/05/02/prognosticate-that/, a "paper":http://www.poynter.org/latest-news/romenesko/130485/claim-krugman-is-top-prognosticator-cal-thomas-is-the-worst/, finding that most pundits do