Democrats swept key races on Tuesday night, gaining momentum against President Trump. Zohran Mamdani won the NYC mayoral race, while the party notched victories in Virginia and New Jersey governor's races. Joe Scarborough and Claire McCaskill break down the big night for Democrats and why the results prove voters are “paying attention” heading into 2026. 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 informed perspectives. Find video clips...