This week on “The Learning Curve," co-hosts Cara Candal and Gerard Robinson talk with Dr. Charles Hobson, a retired resident scholar at the William & Mary Law School, 26-year editor of The Papers of John Marshall, and author of The Great Chief Justice: John Marshall and the Rule of Law. Dr. Hobson shares what students should know about the longest-serving, most important chief justice in the history of the Supreme Court, and his influence on our understanding of the U.S. Constitution.