Responsible for powering the country and its economy, the U.S. energy grid has come under increasing strain due to climate change, and the threat of cyberattacks looms.  

Kim Jong-un has accelerated North Korea’s buildup of nuclear and other weapons of mass destruction, while also modernizing its large conventional force.

Public policy experts call income and wealth inequality one of the defining challenges of this century. Recent crises have accelerated these divisions, and the COVID-19 pandemic has deepened them fur…