kentucky was another state that highlighted barack obama's growing problem among working-class whites, a swing voting bloc also referred to as reagan democrats who clinton claimed were crucial to democrats winning back the white house. exit polls in kentucky supported clinton's claim – of kentucky voters who voted for clinton, only one-third of voters said they would vote for obama should he become the nominee while another one-third said they would vote for presumptive republican presidential nominee john mccain and another one-third said they would not vote at all.