This ebook consists of a summary of the ideas, viewpoints and facts presented by Cliff Sloan and David McKean in their book "The Great Decision: Jefferson, Adams, Marshall, and the Battle for the Supreme Court". This summary offers a concise overview of the entire book in less than 30 minutes reading time. However this work does not replace in any case Cliff Sloan and David McKean book.Sloan and McKean offers an insight into all the issues that culminated in saving the Supreme Court of the US from perishing in insignificance and placing its power on the same level as the executive and legislative branches of government. And he also examines the American rule of law.