Assembly Speaker Robin Vos is refusing to testify in a federal lawsuit alleging that political boundary maps he helped draw were illegally gerrymandered.

Attorneys representing Democrats in the case asked a panel of federal court judges on Tuesday to force Vos, R-Rochester, to sit for a deposition in May and turn over documents related to the case.

Attorneys for Vos argue that he is immune from civil legal action.

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But the Democrats’ attorney Ruth Greenwood argues that Vos waived any claim to legislative immunity by intervening in the case as a defendant and actively participating in the lawsuit.

The U.S. Supreme Court is expected to rule on gerrymandering cases out of Maryland and North Carolina in the coming months. A trial in Wisconsin’s case is scheduled for July.

Capital W: Plug in to Wisconsin politics

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