The deconstruction of the BushDoctrine began by reasonably criticizing its unilateralism in not reaching out to other partners in the international arena.
But the resurgence of the Democrats will nevertheless have a profound influence on the direction of American foreign policy, given the party's strong disagreements with the Bushdoctrine.
The first term of the George W. Bush presidency and what has come to be known as the "Bush Doctrine" were marked by a profound and forceful reaction to September 11, 2001.
If Mr Bush had a doctrine it was his belief in pre-emptive war, enunciated in the National Security Strategy of 2002 and enacted in Iraq the next year.
Mr Cheney's speech was the latest in a series by top administration officials promoting what is emerging as a new doctrine of the Bush administration - that the US must be prepared to take pre-emptive action against new security threats.
The key point Bush made was that it is time to put aside the doctrine of mutually assured destruction that was the bedrock of security during the Cold War when it was basically a bipolar world, with the United States and the Soviet Union on opposite sides.