Register now for FREE unlimited access to Reuters.com Register April 10 (Reuters) – Russia has made a “massive strategic blunder” as Finland and Sweden look poised to join NATO as early as the summer, The Times reported on Monday, citing officials. The United States officials said that NATO membership for both Nordic countries was “a topic of conversation and multiple sessions” during talks between the alliance’s foreign ministers last week attended by Sweden and Finland, report added. Register now for FREE unlimited access to Reuters.com Register Reporting by Maria Ponnezhath in Bengaluru; Editing by Christopher Cushing Our Standards: The Thomson Reuters Trust Principles.