Obama, american, president of the United States: Christian

President Barak Obama is not a Muslim. He is of the Christian faith and was born in Hawaii, USA.
Why is it that the Tea Party insists on saying over and over again that Obama is Muslim, and believes in Islam? Have they nothing better to do?  Have they nothing more important than to harp on this rediculous lie?
We, who have brains in our heads, and use these brains, know that barak obama is the legitimate president of the United States.