Mamdani ally Brad Lander, progressive challenging Rep. Dan Goldman, aims for upset in New York Democratic primary

Progressive Brad Lander, who is challenging Rep. Dan Goldman in the Democratic primary in New York’s 10th congressional district, explains his support for other New York candidates — but stops short of endorsing them. Lander, who is backed by New York Mayor Zohran Mamdani, told CNN’s Manu Raju that if he wins, he’ll back Hakeem Jeffries as House Democratic leader.