A sophisticated data team with a history of winning White House contests is meticulously tracking voters in key battleground states. But Trump's campaign believes there are pockets of voters eager to be persuaded not to back Clinton. Getting Trump to make that kind of consistent case against Clinton has been a herculean task for much of the campaign. Trump's campaign has spent no general election money on positive, biographical ads, despite having plenty of cash to do so. They contend most Americans are just now tuning into the presidential campaign in a serious way.

Source: ABC News September 03, 2016 13:18 UTC