Darline Graham admitted national security is "not my thing" at a South Carolina GOP Senate runoff debate when asked about Taiwan and the South China Sea.
https://www.foxnews.com/politics/lindsey-grahams-sister-admits-shes-not-informed-national-security-while-seeking-full-senate-term
https://www.foxnews.com/politics/lindsey-grahams-sister-admits-shes-not-informed-national-security-while-seeking-full-senate-term