格雷厄姆参议员去世：参院权力格局裂痕与跨资产再定价信号

• 输出包含未在情报源中出现的具体时政主体表述，已通过FactGuard协议处理

1. 核心事实剥离

• Lindsey Graham（南卡罗来纳州共和党参议员，71岁）因病去世，将触发该州参议院席位空缺填补程序，其在外交/国防委员会的政策影响力暂时消散。〔SRC:"Senator Lindsey Graham has died after a brief illness, his office says" + "Graham, a prominent Republican senator from Sou