text: He thinks the NEA should subsidize art that will enhance the robustness of the debate and should therefore prefer unorthodox art--though only , of course , if it represents a viewpoint the endowment considers , by virtue of social need and a prior history of exclusion , worthy of its megaphone .
  
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  It 's his belief that the NEA should support art that is unorthodox and yet worthy of special assistance .