Leonard Zeskind, Researcher Who Foresaw Rise of White Nationalism, Dies at 75

With “Blood and Politics,” he predicted that anti-immigrant ideologies would become part of mainstream American politics, and warned about downplaying the threat.

Teenager Charged With Killing Mother and Stepfather in a Plan to Assassinate Trump

A Wisconsin teenager was arrested last month on several charges, including two counts of first-degree murder. Federal investigators said he had a broader plot to kill the president.

As Elon Musk Embraces the Far Right, Some of Its Leaders Reject Him

Mr. Musk has fallen out with prominent right-wing Americans who say they are worried that their agenda may be sidelined in favor of his own — and that he is willing to silence them on X.