Another speaker, Jared Taylor, who founded the white supremacist site American Renaissance, said the alt-right movement was “in unanimity” in rejecting “the idea that the races are basically equivalent and interchangeable.”
In March, the Breitbart News website — formerly headed by Mr Trump’s pick as chief strategist, Steve Bannon — ran a piece that praised Spencer as a key member of a “fearsomely intelligent group of thinkers”.
The US Holocaust Museum issued a statement saying it was “deeply alarmed at the hateful rhetoric” at the NPI conference and that Spencer’s allusion to Jewish media control “closely echoes Adolf Hitler’s view of Jews”.
A Washington restaurant, Maggiano’s Little Italy, apologised after inadvertently hosting members of the NPI for dinner on Friday.
The restaurant said the booking had been made under a different name and that it would donate the profits from the night to the Anti-Defamation League, an anti-racism watchdog.