The "Lie" of Obama's Muslim Past?

Here's an article condemning certain people for the "lie" of saying that Obama is a Muslim.

The problem is that hardly anyone is actually saying Obama is a Muslim. What they have said - and there is much evidence to support it - is that he has a Muslim background, and that he has been curiously hesitant to bring this up in public debate. Here is a good article by Andrew Bostom about Obama's past as a Muslim.