As always when a new administration settles in, there is specula- tion in Washington over the Supreme Court-its future direction, possible vacancies, presidential appointees. The nine Justices often surprise Presidents. As the makeup and outlook of the Court change, the Justices do not always decide constitutional cases along predictable ideological lines. The Court's decisions have shaped America's history; in no other nation is the highest court so powerful. Here, political scientist Alpheus...