Like other political scientists who’ve studied the topic, I think the malign effects of redistricting have been overstated. Nonetheless, this video (by Andrew Bean and David Holmes) is informative, and I agree that nonpartisan redistricting would be better than the current system in the U.S.

Andrew Gelman is a professor of statistics and political science and director of the Applied Statistics Center at Columbia University. He has received the Outstanding Statistical Application award from the American Statistical Association, the award for best article published in the American Political Science Review, and the Council of Presidents of Statistical Societies award for outstanding contributions by a person under the age of 40.