President Donald Trump has issued an unprecedented U.S. security guarantee to Qatar, binding Washington to defend the Gulf state against armed attack. The “Article-5-like” pledge, unveiled after the Israeli strike on Qatari territory in early September, represents the boldest extension of American defense commitments in the region since the 1990s. It elevates Qatar to the status of a treaty-level ally, underscoring its role in any eventual Gaza settlement and strengthening its security under the American umbrella. Meanwhile, Ukraine today faces acute nuclear risks. Russian strikes have repeatedly cut power to Chernobyl, still home to radioactive waste, and left the Zaporizhzhia nuclear plant reliant on emergency generators after its last external line was severed. The International Atomic Energy Agency warns that a prolonged outage could trigger a major accident that would affect all of Europe. Ukraine is meanwhile crippling Russia’s war economy through drone strikes on refineries, with nearly 40% of capacity idled. Other developments highlight the mounting geopolitical volatility: the U.S. Supreme Court delayed a ruling on Federal Reserve governor Lisa Cook’s appointment; the White House canceled $8bn in climate funding; U.S. and Türkiye imposed joint sanctions on Iran; Morocco faces escalating “FIFA riots”; 1.5m U.S. employees face furloughs; and Papua New Guinea ratified a significant defense pact with Australia.