Naguib Sawiris, executive chairman of Egypt's Orascom Telecom Media and Technology Holdings, is in Pyongyang for what appears to be at least the second time in five months, a story published by the Korea Central News Agency (KCNA) indicated on Saturday.Sawiris, who was involved in the establishment of North Korea's Koryolink cellphone network in 2008 and has reportedly been unable to repatriate profits since, arrived in the city on Friday and toured at least three well-known sites on Saturday, the KCNA said.North Korean media have so far not revealed information about the purpose of his visit, which follows an