TEHRAN -- Leader of the Islamic Revolution Ayatollah Seyed Ali Khamenei said on Wednesday that Western liberal democracy must be blamed for two world wars, proliferation of nuclear and chemical weapons and for bringing to existence such groups as Taleban in the international community. In a meeting with a group of Iranian cultural attaches abroad, who are now on a homecoming visit, the Leader said that the cultural attaches abroad are expected to expound the logic of the Islamic Revolution to world peoples, IRNA reported. The Leader said that cultural attaches should communicate with the people of their host countries...