Then a congressman from Georgia, Newt Gingrich laughs at a joke told by President Reagan in Atlanta in 1984. Joe Holloway Jr./AP hide caption

itoggle caption Joe Holloway Jr./AP

Republican presidential hopeful Newt Gingrich made campaign stops on Florida's Space Coast on Wednesday, saying space is part of America's destiny and outlining what he called a bold plan to send Americans to the moon and beyond. Here, the former House speaker delivers remarks outside a restaurant in Coral Springs, Fla. Paul J. Richards/AFP/Getty Images hide caption

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Volunteer fire fighter Joe Crawford fights a wildfire in Graford, Texas, in September, when wildfires swept through parts of Texas and Oklahoma. Tom Pennington/Getty Images hide caption

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Newt Gingrich speaks Monday at Global Security Services in Davenport, Iowa. Despite falling poll numbers, Gingrich says he will avoid negative campaigning. Chris Carlson/Associated Press hide caption

itoggle caption Chris Carlson/Associated Press