The Saudi newspapers commented today on a number of local, Arab and international topics shedding light on the significance of the tour of the Custodian of the Two Holy Mosques King Abdullah ibn Abdul-Aziz of some Arab countries. The following are the major headlines in the newspapers: -King Abdullah reviews with Mubarak bilateral relations and regional developments -Tour of King Abdullah enhances Arab solidarity -King Abdullah to arrive in Damascus tomorrow -King Abdullah to patronize conference of the MWL -The Holy Quran is the Kingdom's constitution, says Prince Naif -Prince Sattam receives Eritrean ambassador -Saudi ambassadors in Europe end their meeting -Crash of German plane at King Khalid International Airport -King Abdullah's meeting with Mubarak will enhance Arab and Islamic solidarity, say al-Azhar Ulama -Postponement of meeting of Iraqi parliament -Netanyahu arrives in Amman and meets with Jordanian King Abdullah II -Abu Mazin is under American and European pressures to start direct negotiations, says PLO's official -Israel demolishes 30 houses in occupied Negeb (Negev) Desert -Serbian parliament supports peaceful settlement with Kosovo -Iran deplores sanctions imposed on it, but is ready to resume negotiations with big powers -Cameron criticizes obstacles before Turkey's admission to EU --more