I expected, as I approached the corporate world, to enter a brisk, logical, nonsense-free zone, almost like the military - or a disciplined, up-to-date military anyway - in its focus on concrete results. How else would companies survive fierce competition? But what I encountered was a culture riven with assumptions unrelated to those that underlie the fact- and logic-based worlds of, say science and journalism - a culture addicted to untested habits, paralyzed by conformity, and shot through with magical thinking.