Mel and Al are discussing if the original site of Al Masjed AL Haram  was in Mecca of today or was it in Jerusalem. They say that Mecca did not exist in the 8th century. They also say that the Jews had three feast that they referred to as Haj to the Temple Mount. Mount Moriah is the site of the Temple Mount where Abraham was going to offer his son as a sacrifice. They think that the word Marwa is taken from the word Moriah.