BuzzFeed News reported that Manning was hobnobbing at a New York nightclub with Cassandra Fairbanks, who writes for the conspiracist website The Gateway Pundit.

Hundreds of other figures of the far-right were at the party, including many whom the the Anti-Defamation League placed on a "hate speech" watchlist, such as conspiracy theorists Mike Cernovich, Gateway Pundit reporter Lucian Wintrich, and Vice co-founder Gavin McInnes, who once made a video titled "10 Things I Hate About Jews." [...]

Manning is running in a Democratic primary in Maryland to unseat incumbent senator Ben Cardin, who is Jewish.