NTD Good Morning (Sept. 12): Kim Jong Un in Russia Amid US Warnings Against Arms Deal; US-Iran Prisoner Swap Moving Forward

North Korea’s communist leader Kim Jong Un is visiting Russia. Find out more about the arms deal U.S. officials expect will result from his meetings with Russian President Vladimir Putin. A controversial cash-for-prisoners swap between the United States and Iran is moving forward. Republicans are criticizing the deal, saying it...