A young democratic socialist, Mr. Mamdani had just toppled former Gov. Andrew M. Cuomo, upending New York’s power structure in an upset so stunning and so swift that even he had not fully seen it com...

President Donald Trump on Monday night urged voters to support former New York governor Andrew Cuomo in his bid to become New York City's next mayor.

Representative Mikie Sherrill was elected governor of New Jersey on Tuesday by a convincing margin.

Democratic Rep. Mikie Sherrill has been elected governor of New Jersey over Republican Jack Ciattarelli, who was endorsed by President Donald Trump.

Sherrill, who will be the first female Democratic governor in the state’s history, defeated Republican nominee Jack Ciattarelli, a former state assemblyman and Trump ally making his third run for gov...