Donald Trump Nikki Haley Republican Party Chris Sununu Ron DeSantis Joe Biden Steve Scalise Vivek Ramaswamy New Hampshire Governor GOP Chris Sununu Endorses Nikki Haley Governor Endorses Presidential Candidate Governor Endorsements Congressional Endorsements Kamala Harris Andrew Yang Endorses Dean Phillips Taylor Swift Endorsement Bill Barr Endorsement Republican Endorsements Republican Nomination 2024 Election Kevin McCarthy Anti-Trump Challengers Campaign Swing 2024 Republican Presidential Nomination