IN PRESIDENT BUSH'S first term, some of the most important decisions about U.S. national security — including vital decisions about postwar Iraq — were made by a secretive, little-known cabal. It was made up of a very small group of people led by Vice President Dick Cheney and Defense Secretary Donald Rumsfeld.

When I first discussed this group in a speech last week at the New America Foundation in Washington, my comments caused a significant stir because I had been chief of staff to then-Secretary of State Colin Powell between 2002 and 2005.

But it's absolutely true. I believe that the decisions of this cabal were sometimes made with the full and witting support of the president and sometimes with something less. More often than not, then-national security advisor Condoleezza Rice was simply steamrolled by this cabal.

Its insular and secret workings were efficient and swift — not unlike the decision-making one would associate more with a dictatorship than a democracy. This furtive process was camouflaged neatly by the dysfunction and inefficiency of the formal decision-making process, where decisions, if they were reached at all, had to wend their way through the bureaucracy, with its dissenters, obstructionists and "guardians of the turf."