The spate of campaign fliers that use images of lynchings, Jim Crow laws and the recent racial unrest in Ferguson, Missouri, to urge blacks to vote in next week’s election somehow failed to grab the attention of the National Association for the Advancement of Colored People.The NAACP headquarters in Washington wasn’t prepared to answer questions about the fliers and mailers circulated in black communities in Georgia, Maryland and North Carolina, despite widespread news coverage of it for the past week.“Can you send the photos of the literature and tell me the exact states they have been distributed in so that...