High-profile races are unfolding across the country on Tuesday, including New York City's mayoral election and governor's races in New Jersey and Virginia.In California, voters will consider a ballot measure that puts forth a redrawn congressional map that could net Democrats five House seats.

Democrat congresswoman Abigail Spanberger beat out Republican Winsome Earle-Sears to become the state’s first female governor.

The New Jersey race has emerged as the most hotly contested campaign, with opinion polls showing Democrat Mikie Sherrill, a congresswoman and former Navy pilot, holding a narrow lead over her Republi...