Chicago's South East Side rises up against the Kochs.

• Position: On the Line - Brief article

Huge piles of petroleum coke have been blackening the Tenth Ward on Chicago's South East Side and making residents sick for years. The oil refinery byproduct is stored out in the open at KCBX Terminals, owned by David and Charles Koch.

Alderman John Pope, a Mayor Rahm Emanuel supporter who raised $30,000 from the Kochs for his recent political campaign, ignored neighbors' complaints about the pollution.

A historic grassroots campaign against Pope energized the neighborhood's mostly Latino, working-class residents.

Senator Bernie Sanders, Independent...