Geography
The Spatial Politics of Gerrymandering and Redistricting Reform
Quick fact
In the 2012 US House elections, Democrats won more than a million more votes than Republicans nationwide, yet Republicans held a 33-seat advantage because of district boundaries that 'wasted' Democratic votes.
Why this is interesting
You might think your vote is a single arrow on a ballot, but in many states, the outcome is partly decided by where you live on a map. How can lines on a piece of paper be so powerful?