The U.S government has told EU states that it and other non-EU NATO allies should play a key role in a European defense pact. U.S. seeks "robust involvement" in EU defence pact – sources https://t.co/vHZ7VR8OAG pic.twitter.com/ykNy4rS7cp — Reuters UK (@ReutersUK) February 27, 2018 The message, sent to defense and foreign ministries, is meant to underline…