Release: PlanScore.org—a new website developed by redistricting experts and Silicon Valley coding experts— allows citizens to upload proposed state districting maps and instantaneously have them scored for partisan symmetry using three widely-accepted measures: the efficiency gap, partisan bias… Continue reading

Here’s a video of Keith giving a lecture at the  University of Missouri Kinder Institute discussing whether partisanship is too unstable to measure for purposes of discerning partisan gerrrymandering.

Gov. statement:  Governor Tom Wolf today told the Pennsylvania Supreme Court that he will not accept the proposed map Republican legislative leaders submitted because it, too, is a partisan gerrymander that does not comply with the court’s order or Pennsylvania’s… Continue reading

News and Observer: A panel of judges rejected a request from Democrats and voters who filed the first lawsuit this decade challenging North Carolina lawmakers’ redistricting plans to provide relief from election districts in Wake and Mecklenburg counties they contend… Continue reading

Release: Today, the California Local Redistricting Project – a joint project of the University of the Pacific, McGeorge School of Law’s Capital Center for Law & Policy and California Common Cause – announced the release of a new tool to… Continue reading

Ari Berman: The Trump administration’s controversial pick to run the 2020 census has withdrawn from consideration to be deputy director of the US Census Bureau, according to sources close to the bureau. In November, Politico reported that the administration planned… Continue reading

Here.

Philly.com:  A proposed new map of Pennsylvania congressional districts may have sanded off some of the rougher edges of the current version, but it still amounts to a pro-Republican gerrymander, a chorus of Democrats complained Saturday as they urged Gov.… Continue reading

Philly Inquirer:  Facing a deadline imposed by the Pennsylvania Supreme Court, the legislature’s two top Republicans late Friday submitted to the governor a new statewide map of congressional districts to replace boundaries the justices ruled were unconstitutional. If approved, the… Continue reading

Bernie Grofman and Jonathan Cervas for the Monkey Cage: A map that meets all these criteria will probably reduce the Republican Party’s advantage in the state’s congressional races. Although the two parties poll more or less equally statewide, Republicans hold… Continue reading

The following is a guest post from the great Jim Gardner: {Note from Rick: You can find 139 pages of the majority opinion and maps at this link, as well as a concurring and dissenting opinion and two dissenting… Continue reading

Philly Inquirer: It’s official: The state legislature will not pass a new congressional map before the Pennsylvania Supreme Court’s Friday deadline. But the Republican leaders who control both chambers weren’t ready Thursday to cede the redrawing of districts to the… Continue reading

Philly Inquirer: Pennsylvania’s congressional map, as adopted in 2011, violates the state constitution’s guarantee that “elections shall be free and equal,” the state Supreme Court said Wednesday in an opinion explaining its gerrymandering order overturning the map more than two… Continue reading

Yesterday (when I was on the road), the Supreme Court issued two orders related to redistricting cases. In the North Carolina partisan gerrymandering case (involving congressional districts), the Supreme Court denied a motion by Common Cause to expedite consideration of… Continue reading