"The oppression of Blacks is America's original sin -- a sin that took root in 1619 and plagues the country to this day. Yet there have been instances of interracial bonding and friendship even in the worst of times. In Stars and Shadows -- a term taken from Huckleberry Finn -- Saladin Ambar analyzes two centuries of noteworthy interracial friendships that served as windows into the state of race relations in the US and, more often than not, as models...