North Korea has allowed foreign media to visit its cutting-edge facilities and historical sites, as leader Kim Jong Un has pledged to boost the country's economy instead of developing nuclear weapons and ballistic missiles.North Korea, which many analysts say has been suffering from the impact of international economic sanctions, appears to be seeing this occasion as a window of opportunity to attract foreign investment and tourists to earn hard currency.Slogans and signs emphasizing the nation's "state nuclear force" have disappeared from major sites in Pyongyang, suggesting North Korea is…READ FULL ARTICLE