What do you think of when you hear the word “Inquisition?” In many respects it has become a dirty word. But say what you will about the Inquisition, no matter who you are, everyone knows its name. At least enough to throw the term around casually, to summon it as a metaphor in our culture, to exploit it in movies, the news, and to use it as a weapon in heated verbal debates. But what is the Inquisition? How did it start? What are its implications for us today? With a heart of curiosity, let's find out in the first of our three episodes, "What is the Inquisition? Part 1 The Medieval Inquisition."