In this shiur we look at the connection between keeping Torah and carrying out a successful policy. What does the possuk mean when it says, 'This book of the Torah should not be removed from your mouth'? Which book of the Torah is the possuk referring to? What was Yehoshua's position as a leader of the Jews? Was he considered a King? Or was he a Judge? When is the law that someone who rebels against a King applicable? What is the reason that someone who rebels is liable to capital punishment?