Add punctuation to the following sentence: When I read this illuminating account I wondered by what route Zionist circles had spread to the Foreign Office and the Foreign Office to Printing House Square the idea that Mr Wilton was an antisemite
When I read this illuminating account I wondered by what route "Zionist circles" had spread to "the Foreign Office," and the Foreign Office to Printing House Square the "idea" that Mr. Wilton was "an anti-semite."