A small sliver of a congressional district in Pennsylvania crossed four counties, on a map that was ruled to be a partisan gerrymandering plan.
AP Photo/Keith Srakocic
Robin E. Best, Binghamton University, State University of New York and Steve B. Lem, Kutztown University of Pennsylvania
When voters in November pick among the candidates for state legislatures, they are choosing the people who will make the new electoral maps for congressional elections.
Incumbent Rep. Barbara Comstock, R-Va., won reelection.
AP Photo/Alex Brandon, File
State legislators in 18 states are intentionally drawing congressional boundaries to favor their party, according to experts who ran thousands of simulations using open-source mapping software.
The original 1812 gerrymander district designed to favor Massachusetts governor Elbridge Gerry.
Elkanah Tisdale
The gerrymandered district has been part of the US political landscape for two centuries. Impartial math suggests several methods for drawing fair, competitive congressional districts.