Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Senators Call for Stronger Sanctions on North Korea Amid Diplomatic Stalemate Eunjung Cho U.S. senators are urging stronger sanctions enforcement amid a prolonged stalemate in denuclearization talks with North Korea. Republican Senator Cory Gardner of Colorado, chairman of the East Asia, the Pacific and International Cybersecurity Policy subcommittee of the Senate Foreign Relations Committee, called for the return to the "maximum pressure policy." .