The word "shaman" means "one who sees in the dark." Shamans consciously choose to live in two different worlds at the same time. They have one foot here in the everyday world and one foot in the world of the spirits. The fact is, we all live in these two different worlds, but are commonly not aware of the other, less visible one. This world does not exist in some other place, but is right beside us, just outside of our usual perceptions. Seeing...