Finland has warned the US against using the term, arguing it risks diluting the bloc’s core mutual defense clause Finland has privately urged US officials to avoid describing future security commitments to Ukraine as “Article 5-like,” warning the terminology could undermine NATO’s foundational mutual defense clause, according to a leaked diplomatic cable. Under NATO’s Article 5, an attack on one member of the bloc is treated as an attack on all others, warranting a military response.  A January