The math behind a Democratic wave — or a GOP upset
Data: The Downballot and Sabato's Crystal Ball at the University of Virginia Center for Politics. (Balance of power accounts for opposing party gains due to redistricting.) Map: Kavya Beheraj/AxiosRedistricting has helped House Republicans build a seawall that can withstand a roughly 5-point Democra
<p>Data: The Downballot and Sabato's Crystal Ball at the University of Virginia Center for Politics. (Balance of power accounts for opposing party gains due to redistricting.) Map: Kavya Beheraj/AxiosRedistricting has helped House Republicans build a seawall that can withstand a roughly 5-point Democra</p>