The official text of the presidential proclamation is here.
The Park Service site is here.
The New York Times article is here.
These two announcement videos overlap a bit:
And here's a report from CBS New York:
Ya know, guys, it continues to take my breath away to realize how far we've come just in my lifetime - when Stonewall happened, I was a closeted, totally isolated teenager in a world where merely the word homosexual was loathsome and unmentionable. But now that I'm an old man, the President of the United States has declared a gay bar a national monument. Incredible.
And I have lived to see this day.