In its way, Mr. Mandelbaum's book can help explain America to Americans, but it is also a subtle extension of his own expertise in foreign policy.
Surgical procedures are conducted with an almost infinite set of subtle variations: surgeon training, team expertise, personal practice, centre policy and infrastructure, anatomical features of the patient, and the use of a variety of medical devices.
Miller and Rose (2008, 93) explain that these new forms of economic governance and citizenship have created space for new, more subtle forms of professional governance and expertise through the use of empowerment.
Many of these are subtle findings requiring a certain degree of expertise to detect (Fig. 4).
Within taxonomic groupings there may be few visible distinguishing characters, and those that are present may be subtle, requiring specialist and increasingly scarce taxonomic expertise [ 9].
By Ryan Lizza Orszag can match Lawrence Summers in policy expertise, and has proved to be a subtle and persistent political player.
But Orszag, a mid-level economist in the late Clinton Administration when Summers was Deputy Treasury Secretary, was someone who could keep up with him in policy expertise, and who proved to be a subtle and persistent political player.
These two processes are likely to contribute to development of the perceptual expertise that is required for perception of subtle differences that define the mother's face.
The addictive industries -- like tobacco, legal and illegal drugs, gambling, and excessive alcohol -- are marketed with remarkably proficient psychological expertise ranging from the overt to the more subtle subliminal persuasions.
