This is the best explanation of gerrymandering you will ever see - The Washington Post
▻http://www.washingtonpost.com/blogs/wonkblog/wp/2015/03/01/this-is-the-best-explanation-of-gerrymandering-you-will-ever-see/?tid=sm_fb
Et merci à nouveau à Elisabeth Vallet qui a signalé cet article
Gerrymandering — drawing political boundaries to give your party a numeric advantage over an opposing party — is a difficult process to explain. If you find the notion confusing, check out the chart above — adapted from one posted to Reddit this weekend — and wonder no more.