Russian warships including nuclear sub arrive in Cuba

CNN's Patrick Oppmann reports on Russian warships and a nuclear-powered submarine visiting Cuba. Cuban officials say these Russian warships do not carry nuclear warheads and are there for peaceful purposes. #CNN #news Want to stay up to date on the day’s top stories? Sign up for CNN’s 5 Things newsletter, and we’ll give you the 5 biggest stories you need to know, videos people are watching, and more! Sign up here: https://www.cnn.com/newsletters/5-things?source=nl-acq_social_youtubedesc&utm_source=nl-acq_social_youtubedesc