I have no doubt that slaves were used in early colonial and post-colonial construction projects. I also have no doubt that slaves were used in the construction of the phone or PC you are reading this comment on.

One is totally irrelevant to anyone currently living, and suffering. One is not. While its laughably ironic that a bunch of airheads can wax nostalgic about who cut the bricks for the White House, you might want to address how TPP was green lighted with exemptions for Malaysia and other slave nations by the husband of the black woman lamenting slave history from the other room.