President Trump rallied in Mississippi just hours before voters head to the polls for a special election. The president campaigned for embattled Republican Sen. Cindy Hyde-Smith, who is locked in a fierce battle with Democrat Mike Espy. NBC White House correspondent Kristen Welker reports for TODAY. » Subscribe to TODAY: http://on.today.com/SubscribeToTODAY » Watch the latest from TODAY: http://bit.ly/LatestTODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: http://on.today.com/ReadTODAY Find TODAY on Facebook: http://on.today.com/LikeTODAY Follow TODAY on Twitter: http://on.today.com/FollowTODAY Follow TODAY on Google+: http://on.today.com/PlusTODAY Follow TODAY on Instagram: http://on.today.com/InstaTODAY Follow TODAY on Pinterest: http://on.today.com/PinTODAY #HydeSmith #Trump #TodayShow Mississippi Special Election: President Donald Trump Rallies For Hyde-Smith For Senate | TODAY