South Korean President Yoon Suk Yeol delivered a speech and took questions at the Harvard Kennedy School in Cambridge on Friday where he spoke about the challenges facing his country including the threat of nuclear weapons from neighbouring North Korea. Yoon pointed to a new plan he unveiled with President Joe Biden on Wednesday for intensified nuclear deterrence to counter any North Korean threat. “If we were to accept nuclear weapons by North Korea then South Korea may have to possess nuclear weapons," Yoon said during a question-and-answer period after his speech at the Kennedy School. "This is not something we want to see happen.”