Research is a key ingredient in good storytelling, as many writers tell you. When the character knows something you don't or the world works in a way that's beyond your current knowledge, accurate details are a must. What do you do when your character knows the ins and outs of a subject when you can only absorb the cliffnotes? How do you build a world's political climate when you flunked government class? Where do you even start researching, and how do you know what you're looking for?