By Max DELANY Agence France-Presse VILNIUS, Lithuania (AFP) — NATO leaders will grapple with Ukraine’s membership ambitions at their summit Tuesday, their determination to face down Russia boosted by a breakthrough in Sweden’s bid to join the alliance. German Patriot missile systems and French fighter jets were guarding the skies as NATO heads gathered in Lithuania, on NATO’s eastern flank and a land once occupied by Moscow. Ukrainian President Volodymyr Zelensky is expected to head […]