Michael Pfleger, center, Rev. Jesse Jackson, left, and state Sen. Jacqueline Collins, right, led hundreds in a march down Michigan Avenue, carrying crosses for ... Protesters plan to shut down a major Chicago interstate on Saturday in an effort to increase pressure on public officials to address the gun violence that's claimed hundreds of lives in some of the city's poorest... Protesters plan to shut down a major Chicago interstate on Saturday in an effort to increase pressure on public officials to address the gun violence that's claimed hundreds of lives in some of the city's poorest neighborhoods.