John Timmer writes: “The world has been flooded with misinformation. Even if you spend 24 hours a day pushing back against the wrongness on the Internet, it seems impossible to make a dent in it. I’ve decided that we need a way to target the worst sources of misinformation—a way to identify the people who are both the most wrong and the most dangerous. So, as a bit of a thought experiment, I started playing with a simplified scoring system for misinformation merchants.”