The Legislature AND Judiciary of Wisconsin both proclaimed they would not enforce the fugitive slave law within Wisconsin. Not sure if the governor ever commented on it.
And neither of those is nullification. Courts obviously can rule on constitutionality. Sometimes they are reversed by higher courts. Legislatures also can pass unconstitutional laws- it is the job of the courts to strike those laws down.
The heart of nullification is the executive defying the law, as interpreted by courts.
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