"Nikki Haley's Battle Against Trump: The Lone Stand"

Nikki Haley intensifies her criticism of Donald Trump as she campaigns in South Carolina ahead of the state's primary, challenging him to a debate and fundraising off his attacks. Despite calls to drop out and coalesce around Trump, Haley plans to stay in the race, expressing optimism for her chances in upcoming primaries. Her campaign aims to court independents and grow support from Republicans to secure a path to the nomination.