Under the command of Xi Jinping, the Chinese Communist Party faces a host of domestic and international challenges as it aims to bolster China’s great-power status.

Nigeria has been added to a list of countries whose citizens will in some way be restricted from entering the United States. According to a White House statement, Nigeria is not complying with “the established identity-management and information sharing criteria assessed by performance metrics. Nigeria does not adequately share public-safety and terrorism-related information, which is necessary for the protection of the national security and public safety of the United States.”

New planet-changing geoengineering technology is available to help humanity combat an existential security threat. However, like atomic fission, this technology is not to be jumped at without caution…