Secretary General of the Arab League Amr Mousa left Beirut today on conclusion of a three-day visit during which he attended activities of the 16th meeting of the Arab Economic Forum. In a press statement, Rafiq Al-Hariri International Airport in Beirut, he reiterated the Arab League's support to Lebanese Parliament Speaker's dialogue initiative and convening of a meeting of the Lebanese leaders on the dialogue table. He expressed optimism that the upcoming days will have bilateral meeting between Parliament Speaker Nabih Berri and Saad Al-Hariri, The Leader of Lebanese Future Movement as preliminary step to commence dialogue sessions.