"The Constitution promises liberty to all within its reach." --Obergefell v. Hodges   In the United States of America, the legislative branch is responsible for creating legislation, while the executive branch is responsible for signing that legislation and enforcing it. But how do senators, representatives, and presidents make sure that these laws don't run afoul of the Constitution that guides the running of the country?   The nine justices of the Supreme Court of the United States serve as the final arbiters of which laws are and aren't constitutional. Every year, thousands of contentious cases are submitted to the court for that reason; only about eighty of them are heard. Out of those cases, many are remembered only by the people directly involved. But over the years, many cases heard by the Supreme Court have gone on to affect the lives of many or even all American citizens.   In The Supreme Court: Landmark Decisions, veteran court reporter Tony Mauro picks out the twenty most momentous Supreme Court cases in United States history. In his reviews of Marbury v. Madison, the 1803 case that first affirmed the Supreme Court's status as the country's final legal arbiter, to Obergefell v. Hodges, the 2015 case that legalized same-sex marriage, Mauro summarizes each case and includes cogent summaries of the justices' decisions, as well as notable dissents.    With Mauro's crisp language and sharp insights, The Supreme Court: Landmark Decisions serves as your quick, concise, and informative guide to one of the most important, and sometimes least-understood, institutions in the nation.