Take a look at this.
She was visiting a mosque. Big deal. Is Johnson seriously trying to suggest that no American political figure whilst on a diplomatic mission hasn't respected the feelings of the nation and culture they are visiting?
Pelosi in a Hijab
PS perhaps Johnson's further shock at the fact that St John the Baptist's head is allegedly a relic at the mosque (he highlighted this fact, presumably to make a ham fisted reference to Islam and beheading) would be eased if he actually read up on history of St John.
Can you imagine if a left wing site, say Daily Kos ran this article?
(Thanks to Anon in the comments)
UPDATE: Oh diddums. Charlie is having a fit because he's been found out for the ignorant, two-faced hypocrit that he is. Perhaps when he calms down a bit he'll bother to do some research into the subject he seems to be so interested in: Syria. And maybe he'll find out more America's current involvement there than he cares to know - or post about on his little green weblog...
UPDATE: A short quiz on the matter from Radamisto