BHO could not do that as he was governed by the polls and would say whatever he felt the majority wanted to hear, such as 'The war in Iraq is over', as though just one side can make that decision. However it sounded good to the people who voted for him.
The electorate isn't that much concerned with long term consequences of decisions made now because they really don't understand the issues. They are treated like uniformed children and all indications suggest that they should be.
"Progressives aren't really progressive. They're regressive, all the way back to Sodom and Gomorrah." - author unknown
And the politicians should never go to war unless the country is behind it and understands the implications. That's one reason for the Constitution having given the Congress, not the president, the power to declare war. Unfortunately, they abrogated their responsibility in Vietnam, and again in Iraq.
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Bush wins Congress backing over war on Iraq | Mail Online
A majority of the American people supported the war as well. Public opinion on the Iraq War - Wikipedia, the free encyclopedia