Maryland Judge Orders Legislative Leaders to Testify in Partisan Gerrymandering Case

Maryland – Nearly four years after Bethesda, Md. resident Stephen M. Shapiro and other Maryland voters filed a partisan gerrymandering lawsuit against Maryland’s congressional district map, a judge has ordered the Speaker of the Maryland House of Delegates and the President of the Maryland Senate to testify in the case and turn over documents, rejecting […]

Briefs on Timing of a Remedy Filed in Wisconsin Partisan Gerrymandering Case

Wisconsin – A federal district court last November found Wisconsin’s 2011 Republican-drawn state assembly map to be an unconstitutional partisan gerrymander.  That almost never happens.

Duke University Team Dabbles with Its Own Algorithm for Measuring Partisan Gerrymandering

North Carolina – It isn’t Efficiency Gap Analysis, but a team of mathematicians at Duke University’s Sanford School of Public Policy have applied its own model (Markov Chain Monte Carlo method) to measuring the extent of partisan gerrymanders.  The algorithm produces maps with districts that have proven to be comparably more competitive than the actual […]

Discussion on Wisconsin Partisan Gerrymandering Decision on Bloomberg

Listen to Stanford Law Professor Nathan Persily and Ruth Greenwood, deputy director of Redistricting at the Campaign Legal Center, discuss a Wisconsin federal panel’s approval of a long-sought after measure for partisan gerrymandering. Press to Listen

Efficiency Gap Analysis Gets This Early Critique from Princeton Professor

Princeton biophysics professor San Wang has an early critique of Efficiency Gap analysis (EG) – a method for measuring partisan gerrymandering that received unexpected support from a federal district court panel in Western Wisconsin this past week. 

Federal District Court Finds Partisan Gerrymander in Wisconsin Assembly Map

Wisconsin –  A three-judge federal district court in Wisconsin has invalidated the Republican-drawn state assembly district map enacted in August 2011 as an unconstitutional partisan gerrymander.  If the ruling stands – and that’s a very big “IF,” this case will be the first successful approach to creating a workable standard for courts to use in determining whether […]