Former House Speaker Newt Gingrich in April 2012. Christian Gooden/St. Louis Post-Dispatch /MCT /Landov hide caption

itoggle caption Christian Gooden/St. Louis Post-Dispatch /MCT /Landov

Former House Speaker Newt Gingrich, a one-time history professor, educates delegates gathering in Tampa, Fla., on how to get the party message out. The event was billed as "Newt U." Brakkton Booker/NPR hide caption

itoggle caption Brakkton Booker/NPR