Nina Totenberg

This week, Department of Justice special counsel Robert Mueller picked up the public pace of his team's investigation of Russian interference in the 2016 presidential election. Indictments were unsealed, and a potentially important plea agreement revealed.

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Chief Justice John Roberts warned Tuesday that the Supreme Court's "status and integrity" could be jeopardized if a majority of the justices declare that there is a constitutional limit to partisan gerrymandering. At the same time, the court's four liberal justices warned that failing to act poses a threat to democracy.

Updated on Oct. 4 at 7 p.m. ET

Keith Gaddie has "hung up his spurs."

The election expert from the University of Oklahoma no longer helps state legislatures draw new district lines to maximize their partisan advantage.

He was still wearing those spurs in 2011 when he provided data that helped Wisconsin Republicans enact a legislative redistricting plan aimed at maximizing their power for the foreseeable future.

But now he has reversed course and filed a brief in the U.S. Supreme Court arguing that the practice is undemocratic.

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