3 2012 Elections / 2012 GOP Primaries / Investigations / Politics December 12, 2011 by Michael Matheron · Published December 12, 2011 · Last modified May 29, 2013 Four Guesses Why Newt Gingrich Constantly Promotes “Six Sigma” Management Techniques During His Presidential Campaign Four Guesses Why Newt Gingrich Constantly Promotes “Six Sigma” Management Techniques During His Presidential Campaign