Couple of links to help with Re-Districting, Gerrymandering, Packing and Cracking and the so what!
Thew first is an article that was published in the Globe and Mail - Divide, then rule, How the Weird Science of US Gerrymandering works
The second one is actually a short 4 1/2 minute video entitled the Blurred Lines of Gerrymandering created by The Atlantic.
Enjoy and be sure and bring any questions you have to class so we can address them.
Mr. Thompson