Landmark commission hearing may determine future of ground zero mosque - CNN.com
I think what they are doing is in somewhat poor taste but they have every right to do so. It's called religious freedom and the people who oppose these seem to be borderline hysterical about Islam, as if every Muslim has dynamite strapped to him somewhere on his body.
I think it is kind of wrong to label mainstream Islam with 9/11, It was fundamentalist Muslims who carried out 9/11. Just like Mormons don't like to be labeled with polygamy and Christians don't like to be labeled with the creationists and extreme homophobes.