Though the tracking poll shows that Trump may be closing the gap against Clinton among Independent voters, another key question for both campaigns is whether these non-partisans will be motivated to vote at all. According to data from this week's tracking poll, 70 percent of Independents who now support Clinton say they have supported someone else in the past six months. Among those Independents who currently support Trump, 64 percent say they supported someone else in the past six months.