Was the Air Force One Flyover a Warning to Obama?

The only thing I have read about this strange event that asked the right question was on wsws.org, one of my favorite sites. Alex Lantier wrote on April 29:

How could one of two specially-designed presidential jets be requisitioned for a flight over New York City, where nearly 3,000 were killed in the 9/11 attacks, without the knowledge of the president, the mayor or high-ranking US military officials such as the defense secretary and the joint chiefs of staff? If the official story is indeed true, it raises the question of who is in control of the US military.

The White House internal review published a week later, I think, answers the question: the US military is in control of the US military.

...Read more at http://www.mdmorrissey.info/flyover