While a bitter taste still lingers from progressive wins at the Wisconsin Supreme Court and Chicago city hall, Republicans are savoring two electoral gains this week with long-term consequences: a new supermajority in the Wisconsin legislature and conservative school board wins in Chicago's suburbs. In fact, state Rep. Dan Knodl's capture of a vacant Wisconsin state Senate seat on Tuesday already has Republicans contemplating using their new two-thirds majority in the chamber to possibly remove liberal officials like elected judges and district attorneys through impeachment. Knodl said before he was elected, he would consider impeaching Milwaukee County court officials, including...