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It swing from a 16-point win for George W. Bush in 2004 to only a three-point win for John McCain in 2008 .
 George W. Bush, John McCain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 George W. Bush, John McCain