MADRID — NATO leaders will formally invite Finland and Sweden to join the alliance on Wednesday after Turkey lifted its veto on their membership, NATO’s secretary-general said Tuesday evening, clearing the way for what would be one of the most significant expansions of the alliance in decades.
The historic deal, following Turkey’s agreement to a memorandum with the two Nordic countries, underscored how the war in Ukraine has backfired for President Vladimir V. Putin, subverting Russian…
