How the scramble for partisan advantage could further distort America’s politics.

A bitterly fought Democratic primary in New York’s Hudson Valley will determine who takes on Representative Mike Lawler, one of the more vulnerable Republicans this cycle.

© Ryan Murphy for The New York Times

Darializa Avila Chevalier won the backing of Mayor Zohran Mamdani in her bid to unseat Representative Adriano Espaillat. Then her social media history took center stage.

© Nicole Craine for The New York Times

The Save Our Bacon Act is bad for pigs and bad for us.

© Michael Raines/Connected Archives

Four candidates running in a historically Black district risk dividing the Black vote and losing to Ms. Wasserman Schultz, who is white.

© Eric Lee/The New York Times

A review of polling data shows an extraordinary swing among white working-class voters on the president’s handling of the economy.

© Haiyun Jiang/The New York Times