美国参议员林赛·格雷厄姆（Lindsey Graham）于周六晚间因主动脉内膜撕裂去世，享年 71 岁 [1]。与此同时，前共和党领袖米奇·麦康奈尔（Mitch McConnell）此前因肺炎和摔倒住院近一个月，目前仍在康复设施中尚未返回参议院 [1]。这两起变故导致共和党在参议院的领导层出现真空 [1]。
当前参议院席位分布为共和党 53 席、民主党 47 席 [1]。特朗普称格雷厄姆是“参议院的温度计”，认为他能推动法案通过 [1]。格雷厄姆生前曾担任参议院拨款委员会和预算委员会主席，并负责俄罗斯制裁法案的谈判工作 [1]。这一系列人事变动加剧了共和党内部与特朗普政府的矛盾，使得中期选举前的立法议程充满不确定性 [1]。
The U.S. Senate is set to return to Washington facing an uncertain legislative agenda as its Republican leadership faces a significant vacuum following the sudden death of Lindsey Graham and the continued recovery of Mitch McConnell [1]. Senator Lindsey Graham passed away on Saturday evening at the age of 71 due to a tear in his aorta, also known as an aortic dissection [1]. The current partisan composition of the Senate stands with Republicans holding 53 seats against Democrats' 47 [1]. This leadership instability has exacerbated tensions within the Republican Party and between them and the Trump administration, casting doubt on upcoming legislation before the midterm elections [1]. Former Senate leader Mitch McConnell remains hospitalized after suffering from pneumonia and a fall; he was admitted nearly a month ago and is still in recovery facilities without returning to the chamber yet [1]. President Donald Trump described Graham as "the thermometer of the Senate," noting his ability to push bills through legislation [1]. Graham previously served as chairman of both the Senate Appropriations Committee and the Budget Committee, where he also led negotiations on sanctions against Russia [1].