Does anyone know what the biggest margin of defeat for a sitting governor in any state has been?
I think we have to go back to 1990 in Rhode Island when 3 term incumbent governor Ed DiPrete lost by a landslide to his two-time challenger Bruce Sundlun, who incidentally went on to loose his primary in 1994. Sundlun defeated DiPrete in his third gubernatorial run by a margin of 74% to 26%. The state's banking system was in ruins and on inauguration day 1991, Sundlun had to close numerous banks and deal with a horrible economy.
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