Hard Numbers: World Bank chief resigns, Another Russian journalist jailed, Ukraine’s humanitarian needs, pessimistic Nigerians, good riddance Johns Hopkins tracker

On Tuesday, Washington imposed tariffs of 10% on energy and 25% on all goods imported from Canada and Mexico and doubled its existing tariffs on Chinese imports from 10 to 20%. All three countries responded with harsh words and retaliatory measures. Will Donald Trump stay the course or backtrack in the days ahead?

Volodymyr Zelensky said Tuesday that his country was prepared to release Russian prisoners of war, halt all long-range drone and missile strikes on Russian targets, and declare an immediate naval ceasefire — if Russia agrees to do the same.

A high-stakes race is underway to determine which country will supply the technology that powers the world’s emerging AI economy. While the US has the opportunity to lead, a last-minute Biden administration regulation – the AI DiffusionRule – risks undermining America’s ability to compete. By capping the export of essential AI components to key allies and partners, the rule could unintentionally push countries toward China’s rapidly expanding AI sector. @Microsoft supports strong national security protections, including ensuring AI technology is deployed in secure, trusted data centers. But the rule’s broad restrictions put vital markets – including Switzerland, Poland, Singapore, India, and Israel – at a disadvantage, limiting their access to American AI infrastructure and stalling economic growth. The Trump administration now has an opportunity to refine the rule – simplifying it, strengthening enforcement, and eliminating restrictions that hurt American innovation and exports. The race for AI dominance starts at home, and the US must empower its tech sector to compete on the global stage. Read the full blog to learn more here.