In 2015, Senator Lindsey Graham criticized Donald Trump, calling him a "jackass" and warning Republicans against nominating him. Trump retaliated by publicly sharing Graham's personal cellphone number during a rally. Despite their rocky start, Graham became a significant figure in Trump's foreign policy discussions, particularly on issues related to Iran, Ukraine, Israel, and NATO. Graham's career has been marked by his commitment to foreign policy, often traveling abroad to engage with world leaders and broker agreements. Following Graham's death on July 14, 2026, Trump referred to him as "like a member of the family" and noted that Graham was among the last to speak with him after a recent trip to Ukraine.
Graham's influence grew as he maintained regular access to Trump, advocating for a strong U.S. presence abroad while navigating Trump's more isolationist tendencies. He was known for his hands-on approach, preferring direct engagement with foreign leaders over public speeches. Graham's relationships with leaders such as Ukrainian President Volodymyr Zelenskyy and Israeli Prime Minister Benjamin Netanyahu were pivotal in shaping U.S. foreign policy. His passing has raised concerns about the future of U.S. support for Ukraine, with Ukrainian officials expressing uncertainty about who will fill his role in Washington. Graham's legacy includes his efforts to push for bipartisan support on issues like Russia sanctions and his belief in the importance of U.S. alliances, particularly with NATO and Israel.