This is an exchange between AP reporter Matthew Lee and the US State Department’s Marie Harf.
The exchange is about NATO’s new rapid reaction force. The plan is to base this in the countries of the ‘Eastern members’ – as David Cameron announced at the NATO summit. It was described by David Cameron as a response to “Russian aggression” on Ukraine.
It is worth watching this clip because it shows, in just a couple of minutes, how US officials (and by extension people who share the same version of reality