I think Joe.My.God. says it best,
It's a heartfelt, well-written, and sincerely delivered message. Let's try to divorce this effort from "the other issue" and talk about what a message like this from the president of the United States might mean to a young queer kid. And once again, let's thank Dan Savage and his husband Terry Miller for what is easily the most successful and widely-heard pro-gay campaign in the history of our movement.