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  "path": "/p/when-election-performance-became",
  "publishedAt": "2026-05-04T12:03:30.000Z",
  "site": "https://hxstem.substack.com",
  "textContent": "By Mitt Castor",
  "title": "When “Election Performance” Became “Election Efficiency”: How MIT’s Data Lab Quietly Stopped Measuring What Matters"
}