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

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