Jews can not enter Jerusalem and Catholics can not enter the Vatican, why non-Muslims enter Mecca Cannot?
That non-Muslims entering Mecca? Maybe these quotes from the Koran can answer that question (pay special attention to the first):
"I will expel the Jews and Christians from the Arabian Peninsula, and not leave any but Muslims." Koran (4366)
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"The unbelievers of the People of the Book and the idolators shall be in the [...]
The Pope, Palestine and papal politics
Pope Benedict XVI's appointment of Archbishop Fouad Twal as the new Latin Patriarch of Jerusalem to succeed recently retired Archbishop Michael Sabbah - after 21 years in that position - signals a significant change of course by the Vatican in its relations with the Jewish State.
Archbishop Twal becomes the second Palestinian Arab to be [...]