"Undiscussables" are topics associated with threat or embarrassment that are avoided by groups, where that avoidance is also not discussed. Their deleterious effect on executive groups has been a point of discussion for several decades. More recently critical action learning (AL) has brought a welcome focus to power relations within AL…

The historical independence of expert power and opinion leadership research and theorizing is noted, with the major credit for the separateness being attributed to differences in methodological approach usually taken in the two areas of research. A theoretical attempt to relate the two areas is make by relating: (1) the general areas of social…