Former U.S. Ambassador to the United Nations Nikki Haley has remolded her campaign strategy as she faces a do-or-die moment in the 2024 Republican primary race.

Haley, who is preparing to face former President Donald Trump in the Feb. 24 South Carolina primary, launched her campaign touting her political experience and that she “never lost an election.” She once shied away from broadsides in favor of calling for a “generational change” of leadership beyond Trump, 77, and President Joe Biden, 81.

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But the former two-term South Carolina governor has shifted her campaign’s messaging in recent weeks, launching a full-throttle fusillade against Trump as she seeks to wrestle the anti-establishment mantel from her former boss, a former reality TV star whose first run for office was the 2016 presidency.