MADISON, Wis. — Wisconsin Supreme Court races are officially non-partisan affairs, but don’t tell that to high court hopeful James P. Daley and Justice Ann Walsh Bradley. Daley, a Rock County Circuit Court judge who is open about his conservative lean, is trying to unseat the more liberal Bradley in the April 7 election. The court’s ideological tilt won’t change regardless of who wins because conservatives already hold four of the seven justice slots. With little at stake in the big picture …