民主党在美国中期选举中取得历史性胜利，通过在得克萨斯州、南卡罗来纳州和堪萨斯州等多个深红州翻转席位，赢得了众议院和参议院的多数党控制权。
Democrats made historic gains in the U.S. midterm elections, winning majority control of both the House and Senate by flipping deep-red seats in several states including Texas, South Carolina and Kansas.
安德鲁·张（Andrew Chang）剖析了关键战场州的选情变化，解释了这场“蓝色海啸”是如何在传统共和党铁票仓倒塌中展开的。
Andrew Chang breaks down shifts across key battlegrounds to explain how the 'bluenami' unfolded as traditional Republican strongholds fell.