This week the guys are joined for the fourth time by Dr. Michael P. Zuckert, the Nancy R. Dreux Professor of Political Science, Emeritus at the University of Notre Dame. The group convene early this week in observation of President's Day and discuss some of Lincoln's speeches, other writings, and thoughts surrounding dicoveries and inventions, and their purpose in the young republic. Plus: the guys discuss a little bit of fun presidential trivia.