Obama : Robust field campaigning , direct contact with voters made the difference . ` ` Many field campaigns have ... emphasized quantity over quality . We do not , '' top Obama aide says . And their permanence allowed the campaign to develop vital local insight : to build detailed voter files on potential supporters , field test the best ways to motivate them , and push them to cast their votes weeks before Election Day . Democratic field offices outnumbered GOP outposts in key swing states .
Obama : Robust field campaigning , direct contact with voters made the difference . ` ` Many field campaigns have ... emphasized quantity over quality . We do not , '' top Obama aide says . Democratic field offices outnumbered GOP outposts in key swing states .