Beware if you Ask an Italian for her/ his Favorite Pizza place

First of all remember that in Italy you shall not order pizza for lunch unless you want to be excommunicated or worse.
As Saturday the weather was summery enough to don shorts, short sleeve shirt and sandals in my corner of New Jersey, I thought it would be good to escape if only for a few minutes to Europe.
What is Rome's best pizza asks Andrian Adams in A crust above the rest (FT, April 19).