Here is an example:
Long-lost file sheds light on first flag
This is a thread about an article in the Atlanta Journal Constitution about the State Flag of Georgia and the confederate flag. This relates to slavery through the civil war, among other things.
Other topics that could be classified as "The Legacy of Slavery" might be affirmative action, Southern/Confederate Pride, DC Statehood, etc, etc. Feel free to find articles of interest to share.