""If you visit the online betting market PredictIt, you’ll see a long list of 2020 Democratic candidates, ranked in order of their odds of winning the party’s nomination for president, according to the site’s users. Joe Biden, the former vice president, and Senator Bernie Sanders top the list. Then come other well-known Democrats: Senator Kamala Harris, former Representative Beto O’Rourke, Andrew Yang, Senator Elizabeth Warren. Wait, hang on a minute. Andrew Yang?" …see more