Witchcraft, Magic & Shamanism

1) In the essay, "Magic, Science and Religion", Bronislaw Malinowski, claimed that each of these was a viable mode of cognition and that most societies exhibit all of them in variable proportions, but in what ways does magical thinking persist in contemporary North America and is it likely to persist into the future?

2) How is modern medicine reconciled with traditional beliefs in Swaziland?

3) Why do some societies have shaman? How does one become a shaman? How can the widespread occurrence of shamanism be explained?