If you want Mary Burke to beat Scott Walker in Wisconsin, you've gotta help. Burke is just one of our many great endorsed candidates. This is a good thing: Democratic candidates for Congress are crushing their Republican counterparts in small-dollar donations—outraising their GOP foes by an average of more than $100,000 per candidate in the nation's top races. That's the finding of a new National Journal analysis of federal records in the most competitive House contests in the country.