ARTICLE SYNOPSIS ...The Perfect Trader by Van K. Tharp, Ph.D., and Jennifer Benson What is a perfect trader and is such a condition desirable? Does such a creature exist? Psychologist Van K. Tharp of Investment Psychology Consulting says not and further, you're far more likely to succeed if you don't try to be perfect. E lmer was a perfectionist who was trying to develop a trading system that would win in nine out of 10 trades and would make five times as much money as he was risking on any given trade. When he first tried to develop such a system, he came up with something that was just profitable after commis...