NEW : Voters 65 and older only age group to go McCain 's way . Comment: GOP vice presidential nominee Sarah Palin did n't do well in exit polls . Obama scores large majority of first-time voters . 49 percent of those polled expect tax increases .
NEW : Voters 65 and older only age group to go McCain 's way . Comment: Obama scores large majority of first-time voters . 49 percent of those polled expect tax increases .