People immigrate for different reasons -- economic insecurity, political instability, or the simple desire to see another part of the world.  But when they leave their home country, they're usually leaving someone behind.  Most immigrants know the challenge of keeping connections with their families. Some may be separated from their loved ones for years, straining those relationships. Nathan Yardy tells us how one family's ruptured bonds spanned generations, and what it took for those wounds to heal.