Sen. Bernie Sanders (I-Vt.) says Zohran Mamdani’s successful Democratic primary campaign for New York City mayor “showed that people are prepared to stand up and fight for change.” "...will the Democratic leadership learn from his campaign? I doubt it," Sanders told Chris Hayes. "I think they would rather go down with the Titanic than give up the fact that they are captains of the boat." For more context and news coverage of the most important stories of our day click here: msnbc.com » Subscribe to MSNBC: youtube.com/msnbc » Subscribe to MSNBC on TikTok tiktok.com/@msnbc » Subscribe to MSNBC on Instagram instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog MSNBC delivers breaking news, in-depth analysis of political headlines, commentary and infor...