 In a country where ethnic violence has created seemingly irreparable rifts among Tutsis, Hutus and other Congolese, this remarkable woman is a vital voice in her beleaguered nation's search for peace.Now, Rose is confronted with teaching one of her most recalcitrant students how to forgive — Nangabire, the daughter who remained behind.When war came to Rose's village, she was separated from Nangabire, then just five years old.