United Auto Workers president Shawn Fain easily wins re-election

• 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

• UAW 主席 Shawn Fain 在 2026 年 10 月 10 日以压倒性优势（challenger 仅获 13% 选票）赢得连任，新任期四年，邮件选票计票自 10 月 6 日开始 〔SRC:"The union's election of leadership for a four-year term began with mail-in ballots being sent out in l