even when he 's not at his most critically insightful 
(ROOT (SBAR (ADVP (RB even)) (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBZ 's) (RB not) (PP (IN at) (NP (PRP$ his) (ADJP (RBS most) (RB critically) (JJ insightful))))))))
(ROOT (SBAR (ADVP (RB )) (WHADVP (WRB )) (S (NP (PRP )) (VP (VBZ ) (RB ) (PP (IN ) (NP (PRP$ ) (ADJP (RBS ) (RB ) (JJ ))))))))