Live updates: Mamdani defends candidates; Cassidy criticizes Hegseth, RFK Jr.

New York City Mayor Zohran Mamdani (D) and GOP Sen. Bill Cassidy (La.) both made appearances on the Sunday show circuit, with Mamdani defending democratic socailists and Cassidy criticizing the Trump administration over vaccines. Mamdani-backed candidates swept three competitive New York primaries on Tuesday, setting off a debate on where the Democratic party should stand....