Ukraine has picked up the torch that America dropped
David French writes: A remarkable thing has happened on the world’s battlefields. Ukraine — a nation that was supposed to dissolve within days of a Russian invasion — has fought Russia to a stalemate, revolutionizing land warfare in the process. It has become an indispensable security partner in the western alliance, including in the war against Iran. Now, Volodymyr Zelensky, Ukraine’s president, is taking the next step, one that would have been unthinkable even as recently as 2024. By word…