Six years later, he is spinning comfortably in the innermost orbits of America's foreign policy establishment.
The term preferred by members of the American foreign policy establishment is "realism," which in this context has a very precise meaning.
"The president's budget provides for a major investment in the people, the instruments and the infrastructure of America's foreign policy establishment," he said.
"The constituency has been the foreign policy establishment, the boys in the back room," she said.
But the foreign policy establishment seems distinctly uneasy about war with Iraq.
I am increasingly impatient with the responses of the British policy establishment.
Obstacles to change within the foreign policy establishment are several.
Donnelly's most intractable opposition comes from other conservatives - including much of the administration's foreign policy establishment.
For many in the foreign policy establishment, this means the public cares less and less about what they have to say.
His criticism never went without provoking an official response from the foreign policy establishment.