The word exodus simply means "departure," but we often use it to describe mass migrations of people. The Exodus, though, is unique. When the people of Israel left Egypt more than 3000 years ago, it didn't affect just those two nations, it set the stage for world-changing events that still impact us today. From January through August, we'll be looking at those events on Sunday mornings, starting with the lead-up to one of the most consequential showdowns in history.