{
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  "dek": "美国总统特朗普（Donald Trump）支持度持续下滑，多项最新民调显示，他的整体支持率已跌至约33%至36%，接近或触及第二任期低点。选民对物价、通货膨胀和家庭财务状况的不满升高，民主党在经济议题上的评价也开始领先共和党。距离11月期中选举不到3个月，特朗普民调走弱可能拖累共和党争夺众议院及参议院席次。",
  "desk": "politics",
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      "published_at": "2026-08-16T17:21:31Z",
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      "source_name": "RFI",
      "title": "特朗普民调跌至低点 经济与伊朗战事成共和党期中选举隐忧",
      "url": "https://www.rfi.fr/cn/%E6%94%BF%E6%B2%BB/20260816-%E7%89%B9%E6%9C%97%E6%99%AE%E6%B0%91%E8%B0%83%E8%B7%8C%E8%87%B3%E4%BD%8E%E7%82%B9-%E7%BB%8F%E6%B5%8E%E4%B8%8E%E4%BC%8A%E6%9C%97%E6%88%98%E4%BA%8B%E6%88%90%E5%85%B1%E5%92%8C%E5%85%9A%E6%9C%9F%E4%B8%AD%E9%80%89%E4%B8%BE%E9%9A%90%E5%BF%A7",
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  "headline": "特朗普民调跌至低点 经济与伊朗战事成共和党期中选举隐忧",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
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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-83cfd4a03b6903af107893e7",
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