Why Wisconsin Republicans are talking about impeaching a new state Supreme Court justice

Wisconsin‘s Republican-controlled Legislature is talking about impeaching a newly elected liberal state Supreme Court justice even before she has heard a case.
The unprecedented attempt to impeach and remove Justice Janet Protasiewicz from office comes as the court is being asked to throw out legislative electoral maps drawn by the Republican-controlled Legislature in 2011 that cemented the party’s majorities, which now stand at 65-34 in the Assembly and a 22-11 supermajority in the Senate.
Here is a closer look at where things stand:
HOW DID THE STATE GET HERE?
Protasiewicz won election in April to a 10-year term on the Wisconsin Supreme Court beginning Aug. 1. Her 11-point victory gave liberals a 4-3 majority, ending a 15-year run with conservatives in control.
During her first week in office, two lawsuits were filed by Democratic-friendly groups and law firms seeking to overturn Republican-drawn legislative maps.
WHY IS THERE TALK OF IMPEACHMENT?
Republican lawmakers who have talked about the possibility, most notably Assembly Speaker Robin Vos, allege Protasiewicz has prejudged redistricting cases pending before the Supreme Court because of comments she made during her campaign. They also argue her acceptance of nearly $10 million from the Wisconsin Democratic Party disqualifies her.
The state Democratic Party is not part of either redistricting lawsuit, but supports the efforts.
The court has yet to say whether it will hear the redistricting challenges. Protasiewicz also has yet to say whether she will step aside in the cases, including the decision on whether to hear them.
If she does step aside, the court would be divided 3-3 between liberal and conservative justices. However, conservative Justice Brian Hagedorn has sided with liberals on major cases in the past, angering Republicans.
WHAT EXACTLY DID PROTASIEWICZ SAY?
Protasiewicz frequently spoke about redistricting during the campaign, calling the current Republican-friendly maps “unfair” and “rigged.”
“Let’s be clear here,” she said at a January forum. “The maps are rigged here, bottom line.”
“They do not reflect people in this state,” Protasiewicz said at the same forum. “I don’t think you could sell any reasonable person that the maps are fair. I can’t tell you what I would do on a particular case, but I can tell you my values, and the maps are wrong.”
She never promised to rule one way or another.
WHAT DOES THE LAW SAY ABOUT RECUSAL AND IMPEACHMENT?
On recusal, the U.S. Constitution’s due process clause says a judge must recuse if they have a financial interest in the case, or if there is a strong possibility of bias.
There are also state rules laying out when a judge must step aside from a case. Those generally include any time their impartiality on a case can be called into question, such as having a personal bias toward one of those suing, having a financial interest or making statements as a candidate that “commits, or appears to commit” the judge to ruling one way or another.