ANKARA Trade Minister Ömer Bolat is set to visit the Syrian capital of Damascus on April 16 with the heads of business umbrella organizations to discuss trade, customs, transportation, investment and energy issues between the two countries. Businesspeople, chamber and union leaders will join Bolat's delegation for the two-day visit. During the visit, it is planned to discuss issues such as strengthening cooperation in Syria 's economic development under the new process, improving communication