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Sen. Darline Graham receives criticism over national security comments during debate

Sen. Darline Graham (R-S.C.) said during a debate that national security was not her "area of expertise" while discussing Taiwan and the South China Sea.

Published August 19, 2026 at 7:52 AM EDT

The short answer

Sen. Darline Graham (R-S.C.) said during a debate that national security was not her "area of expertise" while discussing Taiwan and the South China Sea.

Sen. Darline Graham receives criticism over national security comments during debate

The Facts

Who
Sen. Darline Graham (R-S.C.), Rep. Ralph Norman (R-S.C.), Nikki Haley, and Greta Van Susteren.
What
Sen. Darline Graham (R-S.C.) stated she was "not that informed" on national security during a primary runoff debate.
When
Tuesday and Wednesday, August 18-19, 2026
Where
South Carolina
Why
Graham’s remarks about her lack of expertise in national security prompted criticism from political opponents and former officials regarding her qualifications for the U.S. Senate.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. July 19, 2026

    Sen. Lindsey Graham dies suddenly; Gov. McMaster later appoints Darline Graham

  2. August 11, 2026

    South Carolina U.S. Senate Republican special election primary held

  3. August 18, 2026

    Graham and Rep. Ralph Norman participate in hour-long televised debate

  4. August 19, 2026

    Lawmakers and former officials issue public criticism of Graham’s debate performance

Sen. Darline Graham (R-S.C.) received criticism following a Tuesday debate where she stated she was "not that informed on national security." During the event, moderator Greta Van Susteren asked Graham to explain whether Taiwan and the South China Sea are U.S. national security issues. Graham responded by saying, "I’m not a polished politician up here, national security is not my thing, not my area of expertise," while adding that she supports the military.

The event was part of a special election campaign in South Carolina. Gov. Henry McMaster (R) appointed Graham to the seat last month following the sudden death of her brother, Sen. Lindsey Graham (R-S.C.). Darline Graham and Rep. Ralph Norman (R-S.C.) advanced to a runoff after placing as the top two candidates in the primary held last week.

During the hour-long debate hosted by South Carolina ETV and Public Radio, Graham cited her family's military service, noting her brother served 33 years in the Air Force and her father served in the Army. Her opponent, Norman, questioned her governing experience and characterized her as an "unknown candidate." Former U.N. Ambassador Nikki Haley and former South Carolina state Rep. Adam Morgan (R) both publicly criticized the remarks, with Haley stating that national security knowledge is not inherited and is "critical in the U.S. Senate."

For South Carolina voters, the debate highlights a choice between two different backgrounds within the Republican party. Voters will see the direct impact of this choice in the upcoming runoff election, which determines who will represent the state's interests in Washington, D.C. A senator's stance on foreign policy, including the specific regions of Taiwan and the South China Sea mentioned in the debate, influences U.S. diplomatic relations and potential military engagements that could affect service members and their families stationed at South Carolina's multiple military installations.

The criticism from established figures like Nikki Haley indicates that Graham's statements are being evaluated as a test of her preparedness for the specialized committees of the Senate. The immediate next step is the Republican runoff election; however, the source did not report the specific date for that vote. The winner of the Republican contest will likely face a general election to secure the full term for the seat previously held by Lindsey Graham.

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.

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Questions readers ask

What happened: Sen. Darline Graham receives criticism over national security comments during debate?

Sen. Darline Graham (R-S.C.) stated she was "not that informed" on national security during a primary runoff debate.

Who is involved?

Sen. Darline Graham (R-S.C.), Rep. Ralph Norman (R-S.C.), Nikki Haley, and Greta Van Susteren.

When did this happen?

Tuesday and Wednesday, August 18-19, 2026

Where did this happen?

South Carolina

Why does this matter?

Graham’s remarks about her lack of expertise in national security prompted criticism from political opponents and former officials regarding her qualifications for the U.S. Senate.