{
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  "dek": "美国总统特朗普（Donald Trump）支持率在期中选举前跌至第二任期新低。多项民调显示，美国民众对经济、生活成本及政府施政的不满持续升高，民主党在国会选举意向调查中也领先共和党。",
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      "title": "特朗普支持率再创新低 美国期中选举前民主党领先",
      "url": "https://www.rfi.fr/cn/%E6%94%BF%E6%B2%BB/20261018-%E7%89%B9%E6%9C%97%E6%99%AE%E6%94%AF%E6%8C%81%E7%8E%87%E5%86%8D%E5%88%9B%E6%96%B0%E4%BD%8E-%E7%BE%8E%E5%9B%BD%E6%9C%9F%E4%B8%AD%E9%80%89%E4%B8%BE%E5%89%8D%E6%B0%91%E4%B8%BB%E5%85%9A%E9%A2%86%E5%85%88",
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    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
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      "evidence_item_id": "item-b5c67348c60deedfa73354a9",
      "published_at": "2026-10-18T16:39:09Z",
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