The resurgent claim that the modern economy was built on slavery is yet another attempt to attack capitalism while also claiming "we are all to blame" for slavery. The slave owners of old tried a very similar tactic.
The Bill of Rights doesn't mention that freedom of speech is restricted to a special class of establishment journalists. Freedom of speech is a universal property right, regardless of what the establishment-media gatekeepers say.
In this special collaborative episode, Chris Calton and Dangerous History Podcast's "Professor CJ" share the vivid memoirs of two young soldiers fighting on opposing sides of one of the bloodiest battles of the Civil War.