It energized those that the textbook said were not politically engaged . Cornell Belcher says Eric Cantor 's polling was off , but likely voters were off , too . Comment: Shifts in demographics and polarization helped to dislodge conventional wisdom . Cantor probably never really had the big lead he thought he had , says Belcher .
Cornell Belcher says Eric Cantor 's polling was off , but likely voters were off , too . Comment: Shifts in demographics and polarization helped to dislodge conventional wisdom . Cantor probably never really had the big lead he thought he had , says Belcher .