Vice President Kamala Harris is spending the entire day in battleground Pennsylvania, with big time star power at her rallies in Pittsburgh and Philadelphia. Weijia Jiang has more about her final messages to voters there. As Election Day closes in, former President Donald Trump made stops in the battleground states of North Carolina and Pennsylvania. He is ending the day in Michigan, where he wrapped up his campaigns in 2016 and 2020. Caitlin Huey Burns has details. One of the top questions people want to know is when we will know who wins the election. While we don't know for sure, there are some clues. Major Garrett has more. Seven battleground states could sway the presidential election. They stretch across four time-zones — from Georgia, North Carolina and Pennsylvania in the east, to Wisconsin and Michigan in the upper midwest, and Arizona and Nevada in the desert southwest. A team of correspondents are covering the key issues in these crucial states. Officials in just about every state have been working to ensure that this year's election is the most secure ever. But it's not just the ballots that they're concerned about, it's the polling places themselves. Kris Van Cleave explains.