ISLAMABAD - President Asif Ali Zardari on Friday telephoned his Turkish counterpart President Abdullah Gul and talked about the recent incident of the deliberate desecration of the Holy Quran by a lunatic in Florida. President Zardari stressed upon the need for collectively urging the United Nations to take note of it and evolve plans for promoting cultural and religious harmony in the world. The President said that it was time that the downward slide of rationality and sanity was arrested through concerted national and international efforts. The two leaders also discussed bilateral ties and the regional situation.