Two questions special elections cannot answer: Can Democrats sustain their performance in a higher-turnout general election, and will Republican incumbents run ahead of the national party by enough to survive?

Two questions special elections cannot answer: Can Democrats sustain their performance in a higher-turnout general election, and will Republican incumbents run ahead of the national party by enough to survive? https://t.co/xgj9TEqamu

— The Upshot (@UpshotNYT) March 20, 2018