Ah, August.
Gee, where do you suppose anyone would get the idea that President Obama might be a Muslim?
And how did you learn about Barack Obama's religion?
60 Media
11 Obama's behaviors or his own words
7 Things heard or read (non-specific)
7 Internet
6 Things heard or read during presidential campaign
4 Views of family or friends
4 Obama's ancestry -- family background, name, appearance
1 My own opinion
1 Obama's policies towards Muslim countries or religion in the U.S.
They can't all be watching Fox. They don't have to be, since their crap manages to seep out.