Donald Trump and Joe Biden rolled over the competition in the latest primaries, all but ensuring their nominations for President. How will the two compete for Nikki Haley's voters, who could decide the November race, after she dropped out on Wednesday? 0:00 After Super Tuesday, It's Biden vs. Trump Again 5:47 Trump Speaks After Winning 9:06 The Day After Super Tuesday Subscribe to WSJ Opinion: https://bit.ly/3PovNsz More from WSJ Opinion: On site: https://www.wsj.com/news/opinion On Twitter: https://twitter.com/WSJopinion On Facebook: https://www.facebook.com/WSJOpinion #WSJOpinion #WSJ