[contentcards url=”https://apnews.com/article/cuba-russia-warships-caribbean-ukraine-97905c0a6072e39e2869a18e28b0aeef?utm_source=substack&utm_medium=email” target=”_blank”] HAVANA (AP) — Four Russian ships, including a nuclear-powered submarine, will arrive in Havana next week, Cuban officials said Thursday, citing “historically…