COMIC: The roadside marker unlocking a forgotten civil rights murder

Historical markers are an iconic part of the American landscape. They appear by the sides of roads, in towns, at rest areas and even in the middle of nowhere. If you drive down U.S. 11, a couple of miles past Gadsden, Ala., you'll find a marker about the life and death of William Lewis Moore, who was murdered on a civil rights protest walk. The silence around Moore's murder bothered one man for years, until he started a campaign to put up a marker about it. This comic is part...