Derek Muller: Let me offer the outset that I am not doubting the sincerity or well-intentioned motives of the justices on the court or those involved in drawing maps. Partisan fairness is, in my view, as legitimate a political criterion… Continue reading

NYT reports. More at WSJ and WaPo.

NYT: In general, partisan balance is not usually a goal when redistricting. You could certainly argue that partisan balance and maximizing the number of competitive districts should be among the criteria, but, in general, they are not. Instead, a nonpartisan… Continue reading

AP: “Top Senate Republican lawyer Drew Crompton said Monday a separation of powers case will form the essence of the GOP’s argument. Crompton won’t say whether Republicans will go to a district court or the U.S. Supreme Court or what… Continue reading

Nice tool over at Philly.com.

TPM: The National Democratic Redistricting Committee (NDRC), backed by Obama and spearheaded by former Attorney General Eric Holder, is teaming up with other Democratic campaign organizations to target specific governorships, legislative chambers, and ballot initiatives in 2020 with an eye… Continue reading

WaPo Wonkblog.

The latest on the Pa. redistricting battle.

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