"No Catholics Need Apply"?

Below, in a compilation of Martha Coakley's gaffes, Meredith includes Coakley's statement that perhaps Catholics shouldn't be working in emergency rooms.

This is a statement that deserves as much attention as it is likely to get. It may well to have quite a severe impact on Coakley, especially in Boston -- as it should. That's because,I was at school in Cambridge, I was shocked to realize how many Bostonians are still actively aware of their Irish ancestors confronting prejudice in their early years here, complete with signs stating that "No Irish Need Apply."

How will they feel about Coakley's apparent willingness to hang a sign on the doors of emergency rooms around the country stating, "No Catholics Need Apply"?