The United States has accused China and Russia of shielding North Korea from any action by the UN Security Council for its unprecedented spate of intercontinental ballistic missile launches, which violate multiple UN resolutions and jeopardize international aviation and maritime safety. U.S. Ambassador Linda Thomas-Greenfield on March 20 told a council meeting that Chinese and Russian "obstructionism" was encouraging North Korea "to launch ballistic missiles with impunity" and advance its development of more sophisticated and dangerous weapons. To read the original story by AP, click here.