Former United Nations Ambassador Nikki Haley immediately emerged as the target for her Republican rivals during the fourth primary debate. Why it matters: Haley is battling Florida Gov. Ron DeSantis over the second place spot in the Republican primary polls, and she fielded attacks from her rivals within minutes of the debate's opening.

A smaller GOP presidential field will debate for the fourth time. Nikki Haley has enjoyed growing support through her debate performances.

Republican presidential hopeful Nikki Haley pushed back when pressed at Wednesday's primary debate on whether she's too tight with billionaires and

Nikki Haley was targeted Wednesday from the opening moments of the fourth debate for Republican presidential hopefuls as time runs out for the shrinking field to shake up a race that's been dominated by former President Donald Trump.