President Donald Trump secured a notable victory for his endorsement record on Tuesday as CNN projects that Darline Graham will win the special Republican Senate primary runoff in South Carolina. Graham, who is stepping into the spotlight to replace her late brother, Senator Lindsey Graham, managed to navigate a challenging field despite being largely unknown to voters just two months ago. Her victory prevents a potential streak of losses for Trump-backed candidates this month and suggests that the former president still maintains significant sway over the GOP base during high-stakes runoffs.

The win appears heavily influenced by a late surge of support from Trump, including a Friday night rally that translated into massive gains for Graham in areas like Horry County. While some conservative Republicans remained skeptical of the Graham name due to lingering tensions surrounding Lindsey Graham’s tenure, the endorsement provided the necessary momentum to push her across the finish line. However, analysts note that the margin of victory remained relatively slim, indicating that while Trump can deliver wins, a substantial portion of the electorate continues to show independence from his directives.

In an emotional victory speech delivered in Columbia, South Carolina, Graham honored her brother’s memory and expressed deep gratitude for Trump’s support. Surrounded by her family and flanked by Governor Henry McMaster and Representative William Timmons, she described her brother as one of Trump’s closest friends and pledged to carry forward a similar commitment to public service. She quickly pivoted toward the general election, labeling her Democratic opponent, Annie Andrews, as too radical for South Carolina and calling for party unity heading into November.

This result mirrored success elsewhere for Trump’s preferred candidates, specifically in Oklahoma where former state Senator Mike Mazzei is projected to win the Republican gubernatorial nomination after receiving a critical boost from the former president. Together, these outcomes provide a temporary reprieve for Trump following a period of mixed results in various primaries. As Graham prepares to face off against Andrews in the general election, she enters the race as a political newcomer with an established national power structure firmly behind her.