Republican Donald Trump extended his lead with wins in the Michigan and Mississippi primaries, while Democrat Sen. Bernie Sanders pulled off a major upset in Michigan. WSJ's Shelby Holliday recaps the results of the March 8 state contests. Photo: Getty. Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow WSJ on Facebook: / wsjvideo Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: / wsjvideo Follow WSJ on Instagram: / wsj Follow WSJ on Pinterest: / wsj Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: / videos On Twitter: / wsj On Snapchat: https://on.wsj.com/2ratjSM