I'm on business <a href=" http://www.buscadichos.com/can-you-buy-research-papers-online#holding ">thesis statement of air pollution</a> The president is right to point out that a sense of historic perspective is necessary to understand the emotions beneath our political debates, and that the original sin of slavery &ndash; as well as its complicated legacy &ndash; remains our deepest wound. Talking honestly about it is part of the cure, encouraging the empathy to see ourselves in "the other", as part of our never-ending quest to form a more perfect American union.