A Roman Catholic nun whose ministry to Kalaupapa's leprosy patients on Molokai lasted twice as long as Father Damien's may take her first step toward sainthood.Mother Marianne Cope, who garners just a fraction of the attention given the Belgian priest who died in 1889, is on a Vatican waiting list for a hearing on her canonization cause -- an inquiry that could lead to her designation as "venerable."News of that progress in Rome comes as the Vatican's Congregation for the Causes of Saints reviews a miracle attributed to Father Damien de Veuster -- an unexplained healing that, if verified, could make the Belgian missionary a saint.