Well, Jonah Goldberg reports that Joey has prevailed:
Via Mark Steyn, who commented:
...finally won the right to keep his sign: "This is America: When Ordering, Please Speak English." It took him two years, much abuse and hundreds of hours of work by paid and volunteer lawyers, but a local regulatory body finally ruled his sign wasn't discriminatory or offensive.
Jonah, Philadelphia's "Commission on Human Relations" should remind Americans that every malign Canadian novelty eventually works its way south of the border (multiculturalism, socialized health care, me).