The question asked in a newly declassified (Freedom of Information Act)memo between Secretary of Defense Donald Rumsfeld and CENTCOM Commander General Tommy Franks in November 2001.
The Bush Administration has already made up it's mind to go to war, but was looking for an excuse to sell the Iraq war to the American people.
The modern conservative is engaged in one of man's oldest exercises in moral philosophy; that is, the search for a superior moral justification for selfishness. John Kenneth Galbraith