No one who lacks knowledge of a subject is competent to pass judgment on that subject. Since political know-how is a matter, not of adhering to technical rules, but of insight and style learned through apprenticeship and experience, only seasoned politicians are competent to judge whether a particular political policy is fair to all. A major weakness of the argument is that it ['assumes that when inexperienced politicians set policy they are guided by the advice of more experienced politicians', 'equates political know-how with understanding the social implications of political policies', 'uses the term "apprenticeship" to describe what is seldom a formalized relationship', 'fails to give specific examples to illustrate how political know-how can be acquired']