A priest and a rabbi were sitting next to each other on an airplane. After a while, the priest turned to the rabbi and asked, "Is it still a requirement of your faith that you not eat pork?"
The rabbi responded, "Yes, that is still one of our laws."
The priest then asked, "Have you ever eaten pork?"
To which the rabbi replied, "Yes, on one occasion I did succumb to temptation and tasted a ham sandwich."
The priest nodded in understanding and went on with his reading.
A while later, the rabbi spoke up and asked the priest, "Father, is