Sen. JD Vance (R-Ohio), left, and Minnesota Gov. Tim Walz during their vice-presidential debate in New York on Tuesday. (Ricky Carioti/The Washington Post) Half an hour into Tuesday night’s vice ...

There’s a long history of hate groups using new technologies to spread their message. In the 1930s, it was radio. In the 2010s, it was social media. In 2025, it ...