MADISON, Wis. — A conservative Wisconsin appeals court judge announced Wednesday that she is running for an open seat on the battleground state's Supreme Court, promising to stop the politicization of the courts after record-high spending in the last race, fueled by billionaires Elon Musk and George Soros.

Appeals Court Judge Maria Lazar, formerly a prosecutor for the Wisconsin Department of Justice, is the first conservative to enter the race, which will be decided in April. Liberal Appeals Court Judge Chris Taylor, a former Democratic state lawmaker, also is running.

Conservative candidates for the high court have lost each of the past two elections by double-digit margins. Both of those races broke national spending records, and a liberal won in April despite spending by Musk, who cam

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