Most everyone has had some sort of spiritual journey; some finding a path that becomes true for them; others remaining uncertain or giving up. But there are a surprising number of similarities among all major faith traditions. That's one of the main conclusions of Dr. Ed Siegel - physician, psychiatrist, teacher, pianist, and world traveler - in his book "A Spiritual Journey: "To Know the Creator Despite Limitations of the Brain". Our host Stefan Zaichkowski goes on a spirtual journey with Dr. Siegel.