Since Muslim Keith Ellison's election to Congress, there's been a lot of noise in the media about the growing clout of the 8 million-Muslim electorate. Eight million? 'There are 8 million Muslims in America now," boasted a spokeswoman for something called the Muslim Advancement Society. She appeared on CNN to talk about what a proud day it was for her and other Muslim-Americans to see a Muslim brother sworn into Congress for the first time. It seems the size of the Muslim population in America jumps by an additional million every other year or so. Just a couple of years...