Define and explain what personal jurisdiction

Discuss the following:

Define and explain what personal jurisdiction and subject matter jurisdiction mean and how these terms are relevant to one who does business in different states.
Explain what stare decisis and how it effects courts throughout the United States.
Research and select one Supreme Court case decision, issued in the past two years relating to the regulation of business or that effects and influences doing business today. Provide your thoughts on whether you agreed or disagreed with the Court’s opinion.