Dr. Paul DeBell believes that he was once a caveman. Not only that, he is fairly certain that his life as a caveman ended violently. “I was going along, going along, going along, and I got eaten,” said the psychiatrist. To his life as a caveman, Dr. DeBell adds his knowledge of previous lives as a Tibetan monk and “a conscientious German who refused to betray his Jewish neighbors in the Holocaust.” Dr. DeBell’s account is found in “Remembrances of Lives Past” by Lisa Miller of Newsweek magazine, published in the August 29, 2010 edition of The New York Times....