The rainman gave me two curesAnd he said, 'Just jump right in.'The one was Texas MedicineAnd the other was railroad gin.And like a fool I mixed themAnd they strangled up my mindNow people just get uglierAnd I have no sense of time. --Bob Dylan, Stuck Inside of Mobile with the Memphis Blues Again The guiding metaphor in Peter Coyote's new spiritual biography is drawn from a line in an early Bob Dylan song. For Coyote, the twin forces Dylan identifies...