Congressman Keith Ellison, a converted Muslim, wanted to use a Koran during his swearing in ceremony, and created an uproar in the process. Link:
http://www.csmonitor.com/2006/1207/p01s03-uspo.html
I'd think a similar uproar would ensue if Obama tried to do the same.
As for Obama being a closet Muslim while professing the Christian faith, I find this so preposterous I don't know whether to laugh or cry for you Americans.
He's identified with the Christian faith for what, something like 20 years?
Is the implication then that Muslims have been secretly plotting against the West for all that time, and chose only to act during 9/11?
Islam is no monolithic religion any more than Christianity is. Like the latter, Islam has two main sects, Shia and Sunni, who regard each other at the fundamental level as apostates. This was one of the factors fueling the internecine violence in Iraq.
Even within each sect there are many "denominations" (for want of a better word) and even cults. Wahhabism, which comes from the Sunni tradition, is a relatively recent doctrine created in the 18th century.
There was a cult in Malaysia (teapot cult,
http://en.wikipedia.org/wiki/Sky_Kingdom) that was disbanded by the Malaysian government in 2005.
There is no central authority in Islam (compared to say the Catholic Church where the Pope is the authority).
Also, Obama being a closet Muslim would incur the risk of being labeled an apostate which in some Muslim jurisdictions is a serious crime.
Occam's Razor comes to mind.
