Republicans on Wednesday warned Gov. Terry McAuliffe that his plan to reappoint the Virginia Supreme Court justice at the center of a toxic political showdown could subject her rulings to legal challenge. But Republicans said McAuliffe’s actions could not only cloud Roush’s tenure but also give aggrieved litigants reason to challenge her authority on the bench. A University of Virginia law professor and the principal draftsman of the current version of the state constitution agrees with them. A.E. Dick Howard, the U-Va. law professor, said if Republicans challenged McAuliffe’...