More than 100 people have signed up to march from Philadelphia to Washington, DC, to protest money in politics. Here's why some of them are doing it.

A weekly roundup of the best reporting on the influence of money on our democracy.

In 2014, Lessig led a two-week, 185-mile trek through the frigid cold in January, educating people about the issues of corruption, campaign finance and dark money, while recruiting supporters along the way.