Senator Elizabeth Warren (D-Mass) joins CNBC's 'Squawk on the Street' to discuss New York City mayoral candidate Zohran ...

Money helps, but Kamala Harris's presidential loss and others show it doesn't guarantee a victorious campaign.

N.J., declined an opportunity to endorse Zohran Mamdani on Sunday, telling CNN's Manu Raju he didn't want to comment on New York politics.