History
How Gerrymandering Affects Representation and Voting Rights
Quick fact
In a 2012 U.S. House election, Democratic candidates won about 1.4 million more votes nationwide than Republicans, yet Republicans won a 33-seat majority in the House, thanks largely to gerrymandered district maps drawing in several key states.
Why this is interesting
You know the saying 'Every vote counts'? Well, in some electoral systems, a cleverly drawn map can decide the outcome before a single vote is cast. How does that work?