Voters hit the polls across the U.S. with control of Congress on the line. Rep. Debbie Dingell (D-Mich.) and RNC Chairman Joe Gruters share what they’re watching in the final hours before polls close. Former U.N. Amb. and South Carolina Gov. Nikki Haley (R) and former Sen. Jon Tester (D-Mont.) break down the critical races shaping this year’s midterms. For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com Every day, NBC News helps people understand what’s happening and why it matters — through fact-based reporting, meaningful conversations, and powerful stories. From its leading news broadcasts — TODAY, NBC Nightly News, Meet the Press, and Dateline — to NBC News NOW, the 24/7 streaming news channel, plus chart-topping podcasts, the NBC News app, and NBCNews.com, NBC News keeps audiences informed and connected to the stories shaping our world. NBC News. Reporting for America. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Subscribe to Here's the Scoop podcast: https://www.nbcnews.com/heres-the-scoop-daily-podcast » NBC News App: https://apps.nbcnews.com/mobile » Breaking News Alerts: https://link.nbcnews.com/join/5cj/breaking-news-signup?cid=sm_npd_nn_yt_bn-clip_190621 » Visit NBCNews.Com: http://nbcnews.to/ReadNBC » Find NBC News on Facebook: http://nbcnews.to/LikeNBC » Follow NBC News on Twitter: http://nbcnews.to/FollowNBC » Follow NBC News on Instagram: http://nbcnews.to/InstaNBC #midterm #election #voting