The phrase "original sin". There's that little word "original" sitting there.
They do argue it. We even had a U.S. president say it. This is a mainstream idea.
Barack Obama, vying for presidency, names slavery as “original sin”
"Oh yeah but that was just Obama who said that" <-- Anybody who believes this nonsense statement here to the left <--- is clueless about indoctrination in the government schools. This is in fact a mainstream idea and a lot of people argue it.
I took that statement to mean slavery is a sin that has been present since the nation's origin, nothing more.
I should have written, “Anyone who has a basic knowledge of history...”