Why does the U.S. have a dual court system? What is the significance of Marbury v. Madison (1803)? What are the three levels of the national court system? How did the Supreme Court change its emphasis since the New Deal? Why is a Supreme Court opinion often more important than the decision it is attached to? Why are there often multiple opinions attached to a Supreme Court decision? How does someone become a member of the Supreme Court? Who is currently the Chief Justice of the Supreme Court? | Key Terms dual court system precedent judicial review class action suit jurisdiction justiciability standing writs of certiorari decision opinions majority opinion concurring opinion plurality opinion dissenting opinion per curiam opinion judicial activism judicial restraint senatorial courtesy |