The impact and ramifications of cases argued before the Supreme Court are felt for decades, if not centuries. Only the most important issues of the day and the land make it to the nine justices, and the effects of their decisions reach far beyond the litigants. Under discussion here are five of the most momentous Supreme Court cases ever. They include Marbury v. Madison, Roe v. Wade, Dred Scott, Brown v. Board of Education, and The Pentagon Papers...