The Director General of Islamic, Educational, Scientific and Cultural Organization (ISESCO) Dr. Abdulaziz bin Othman Al-Tuwaijeri stressed that the painful situations of Arab and Islamic nations necessitate that all political leaders and scientific, cultural and intellectual elite people correct the track of the nations and their situations and assess the experience witnessed by the Muslim world in the 20th century. Addressing the conference entitled '' Islam and Muslims in 21st Century'' inaugurated here today, he called for renewal of structures in all fields on stronger bases to found a civilization renaissance suitable for these nations. Dr. Al-Tuwaijeri also called for an end to the foreign occupation of Iraq.