The Plain Record

Neutral daily news — clear headlines, complete facts.

On the Hill

Darline Graham wins U.S. Senate primary runoff following Trump endorsement

Darline Graham won a U.S. Senate primary runoff to succeed her late brother, an outcome President Trump cited as a demonstration of his endorsement's impact.

By The Plain RecordUpdated August 26, 2026 at 9:05 PM EDT
Published August 25, 2026 at 8:00 PM EDT

The short answer

Darline Graham won a U.S. Senate primary runoff to succeed her late brother, an outcome President Trump cited as a demonstration of his endorsement's impact.

Updates (1)

  • Update — August 26, 2026 at 9:05 PM EDT: Sen. Darline Graham won the GOP Senate runoff in South Carolina on Tuesday night, CBS News projects, defeating Rep. Ralph Norman in the special primary to replace Graham's late brother, Sen. Lindsey Graham, on the ballot.
Darline Graham wins U.S. Senate primary runoff following Trump endorsement

The Facts

Who
Darline Graham and President Donald Trump
What
Primary runoff election victory for U.S. Senate seat
When
August 26, 2026
Where
United States Senate (state not specified)
Why
To fill a vacant U.S. Senate seat and determine the effectiveness of presidential endorsements in primary elections.

Darline Graham won a primary runoff election to represent her state in the U.S. Senate, according to reports on Wednesday. Graham sought the seat previously held by her late brother. Following the results, President Donald Trump highlighted the victory as evidence of the influence of his political endorsement.

The election was held to fill a vacancy in the U.S. Senate. Graham entered the primary runoff after an initial round of voting did not produce a final nominee. During the campaign, she received the formal support of President Trump.

Specific vote totals, the margin of victory, and the name of Graham's opponent were not reported in the initial announcement. The news was broadcast on the program All Things Considered on August 26, 2026.

For federal workers, students, and small-business owners in the state, the election of a new senator means a change in who handles constituent services and who advocates for state-specific federal funding. The timing of when the winner will take office depends on the upcoming general election and subsequent swearing-in ceremonies, the dates for which were not reported.

The result also serves as a metric for the influence of presidential endorsements within the party's primary system. This win may set a precedent for how future candidates in other states seek or utilize such endorsements to consolidate support among primary voters. The next step in the process is the general election, though the source does not provide the date or the names of the opposing party candidates.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

← Back to the front page

Questions readers ask

What happened: Darline Graham wins U.S. Senate primary runoff following Trump endorsement?

Darline Graham won a primary runoff election to represent her state in the U.S. Senate, according to reports on Wednesday. Graham sought the seat previously held by her late brother.

Who is involved?

Darline Graham and President Donald Trump

When did this happen?

August 26, 2026

Where did this happen?

United States Senate (state not specified)

Why does this matter?

To fill a vacant U.S. Senate seat and determine the effectiveness of presidential endorsements in primary elections.