David Hogg, the ex-Democratic National Committee official, is finding mixed success in a series of local and House races that represent an early test of his endorsement power in Democratic primaries.

During an appearance on ABC News, Jeffries made it clear that he stands by every Democratic incumbent, regardless of their progressive or centrist leanings, and aims to unite the party against ...

His brazen declaration to spend millions targeting incumbent Democrats for removal has left key party officials scrambling to preserve unity ahead of crucial elections. Hogg's commitment to raising ...