David Belcher says Eric Cantor 's polling was off , but likely others were off , too . Belcher : Change in opinion and opinion helped to change conventional wisdom . His loss was likely due ultimately to angry voters on the right who had not before been engaged in the primary process saying in one clear voice , `` Anyone but Cantor ! '' Cantor probably never really had the big lead he thought he had , says Cornell .
David Belcher says Eric Cantor 's polling was off , but likely others were off , too . Belcher : Change in opinion and opinion helped to change conventional wisdom . Cantor probably never really had the big lead he thought he had , says Cornell .