Zohran Mamdani has been elected mayor of New York City and will become, when he takes office, the city's youngest and most liberal mayor in generations. In other elections Tuesday, Democrats won in both states that were electing governors. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/