Nikki Haley Donald Trump Ron DeSantis 2024 Election Iowa Caucuses Candidates Nikki Haley Campaign Trump Attacks DeSantis vs Haley Trump's Lead Campaign Strategies Front-runner Status 2024 Republican Nomination Iowa Caucus Vivek Ramaswamy Campaign Supporters South Carolina Joe Biden Democratic Party Biden Campaign Strategy Challengers Polls Pence North Dakota Caucuses Delegate Count Leading Candidates Primary Bids Electoral Coalition Campaign Mission Tim Scott, Ron DeSantis Democratic Nomination Republican Primary Candidates Republican Primary Debates Fundraising Campaign Messaging Front-runner Trump Campaign