Rattled by the US’s hostile interaction with Ukraine’s Volodymyr Zelensky at the White House on Friday, European leaders have resolved to scale up military and security support for Ukraine.

European arms imports shot up by 155 percent over 2020-2024 compared with 2015-2019 — a reaction to Russia's full-scale invasion of Ukraine three years ago. While the U.S. supplied 52 percent of ...