All across the United States,  election officials are counting votes — not just for the presidential race, but for Congressional races, too.

In New Jersey’s 2nd Congressional District, U.S. Representative Jeff Van Drew leads challenger Amy Kennedy. But it’s a tight race.

Van Drew has been a South Jersey politician for over two decades, but this is the first time he’s run as a Republican. Last year, he did something that is rare in politics — he switched parties from Democrat to Republican and pledged his undying support for President Trump.

Why did Van Drew flip to the Trump playbook? And what does his fight to keep his seat say about the political divide driving the 2020 presidential election?

Our guest, WHYY New Jersey political reporter Joe Hernandez, breaks down a story that has received national attention.