Lebanese President Michel Suleiman has renewed his call for the lebanese political blos to come to dialogue during the National Dialogue session terming such a dialogue would contribute to avoiding any tensions and great disasters in the country.Suleiman warned during his statement at the cabinet session held here last night all the factions in the country to be careful when selecting the political speech and avoid any signs of tensions or neglecting the minor matters which might be expanded and become grand issues if uncontrolled.It is worth to mention that the national dialogue aims to search for a unified national strategy for the defense of Lebanon in the face of external threats, in addition to discuss political issues related to Lebanese affairs.