God knows I wanted to avoid addressing this egregious instance of right-wing propaganda. But that became impossible when my mother called me from Canada all terrified to ask: "Is it true that Obama is building a mosque on Ground Zero?" It took me a while to explain why the American President is not in charge of municipal construction projects, but even that didn't help lower her concern.
The following picture summarizes my attitude to the whole "Ground Zero Mosque" hysteria:
I found it here. There is hardly anything more one can add to this intelligent post and the great illustration.