The fatal assumption behind Republicans' redistricting strategy

Summary

Data: The Downballot , Ballotpedia , AP ; Chart: Erin Davis/Axios Republican mapmakers thought they were drawing at least a dozen comfortably red districts to protect their House majority. Why it matters: They weren't red enough . In the seven states where Republicans redrew congressional boundaries, the GOP is on track to lose as many as eight seats — rather than gain the 15 it had hoped to pick up. With two exceptions — TX-32 and TN-09 — the pickups Republicans penciled in never materialized. Then there was a bloodbath in North Carolina. Zoom in: At the heart of the GOP's miscalculation was…

Description from Axios.