At the Democratic National Convention, party officials are celebrating polls showing that Kamala Harris is now competitive with Donald Trump in every major swing state across the country. But in one of those swing states, Republicans have laid the groundwork to challenge a potential Harris victory this fall, by taking over an obscure, unelected board. Nick Corasaniti, a Times reporter who focuses on voting and elections, explains. Guest: Nick Corasaniti, a reporter covering national politics for The New York Times.