"Plan sponsors tend to recruit fiduciaries from far up the corporate 'food chain' where the candidates are the most proven, senior and financially literate executives. While this emphasizes competence, it does so at the expense of independence.... The history of 'excessive fee' cases teaches that the iconic notion of inside fiduciaries 'switching hats' as they deftly move back and forth across the fiduciary-settlor interface is an illusion.... The 401(k) industry can take a quantum leap forward by promoting a 'Best Practice' in which a plan's fiduciary committees include at least one outside, professional (unconflicted) fiduciary."