There’s new hope, since the heads of North and South Korea met a week ago. But for thousands of Koreans, reuniting and even communicating with family has been complicated--most often, impossible--since Korean War hostilities stopped in 1953.Photographer and filmmaker Laura Elizabeth Pohl tells us about her traveling photo exhibit ‘A Long Separation,’ which delves, from a very personal perspective, into how that war not only divided a nation, it divided families.