This has some connection with the disclosure.
Not sure if this was reported before.
It is not Obama who said it. It was Bulgarian institute for space research.
The articel was in our "main" newspaper under the "interesting" section. There is also the science section but it was not put there. It did not get much of an attention but still it is there.
The article date is 28.11.09
http://www.delo.si/clanek/93744
Short article summary:
Bulgarian institute for space research claims the ET presence is all around us and that they are answering questions via crop circles. They also say ET wishes to help us and that ET are upset with our way of life. They claim that one can not communicate with them via radio etc but that it has to be done with the "power of mind" and that we are not evolved enough to do it.
end of summary
I think that the "power of mind" is meant as a level of conscience.
So it can be said that Bulgarian institute for space research has disclosed the ET existence.