Voters are heading to the polls for primaries across Alaska, Wyoming, California and Florida. NBC News Chief Data Analyst Steve Kornacki previews the key races. NBC News Senior National Politics Reporter Jon Allen hits the road as part of his Drive to Decision Day series to talk to voters in battleground Ohio. Former Broward County Mayor Dale Holness (D-Fla.) joins Meet the Press NOW to discuss his bid to unseat eleven-term Rep. Debbie Wasserman Schultz (D-Fla.). For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com » 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 #news #politics #election