Ukraine’s Westward drift since independence has been countered by the sometimes violent tug of Russia, felt most recently with Putin’s 2022 invasion.

Yemen’s internal divisions and a Saudi-led military intervention have spawned an intractable political, military, and humanitarian crisis.

The U.S. government responds to scores of disasters each year in coordination with foreign, state, and local partners, but more frequent and severe storms, fires, and floods are straining resources.

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.

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…