Anyone seeking truth should avoid American Thinker,
a site for ranting ignoramuses whose competency is noise.
Slavery was born w/Man and remains a world institution,
concentrated in poorer areas, such as Africa; hardly news.
Slavery was controlled in the Colonies, by Great Britain, from
Jamestown to the end of our Revolutionary War, some 200 years.
As such, they bear the responsibility for it during that period.
We bear the responsibility for it from the ratification of our
Constitution till the Emancipation Proclamation; some 75 years.