6 swing states + Texas account for almost all of the gerrymandering—MI, NC, PA are consistently the most extreme.

6 swing states + Texas account for almost all of the gerrymandering—MI, NC, PA are consistently the most extreme. https://t.co/zNE2Z1IAfC pic.twitter.com/OXrWKsGSNp

— Brennan Center (@BrennanCenter) September 8, 2017