When elected officials redraw districts in their own party's favor, the impact can be enormous, swaying elections and influencing policy for years to come. This practice - known as gerrymandering - is one of the most hotly debated in American politics right now, and it's one the Supreme Court will soon weigh in on. Dr. Peter Miller lays out the legal cases surrounding gerrymandering, what these decisions might mean for future elections, and what else can be done to get states to draw maps in ways that are not politically motivated.

For more on this topic:

• Read Miller's SSN brief, Why Independent Redistricting Commissions Should Draw Electoral District Maps
• Check out his pieces for the Brennan Center for Justice on Maryland's extreme gerrymander, popular support for redistricting reform, and gerrymandering's effects on 2018 election results