“There’s a strong possibility that instead of using those resources to defeat him, they’ll just encourage his base even more,” Smikle said.

Mamdani calls himself a “democratic socialist” and, although he strenuously denies it, he’s arguably the closest thing this country has ever seen to a full-blown communist as a major-party nominee fo...

The endorsement is also a sign that former Gov. Andrew M. Cuomo’s supporters are continuing to abandon him.