The President of the United States swears an oath to protect the people of the United States, and the Constitution. Of ALL people, he should have wanted to know the how and the why of 9/11 to make sure it NEVER happens again.
The family members wanted an independent investigation into the attacks. Their "biggest adversary" was the President and his Administration.
Why didn't the President of the United States want to investigate 9/11?
The reason I posted this is because I think it's a TREMENDOUS eye-opener for people.