putin has taken his domestic policy of sending out trial balloons international. what he has done is to go across the estonian border and kidnap an intelligence officer, bring him back and imprison him in moscow. it was a test to see how nato and the west would react. >> how did they react? >> they didn't really do anything. so the problem is that if something more serious comes along, bigger trial balloon comes along or an attack like general clark said somebody takes over buildings, what would nato do? if nato doesn't do anything does that mean they don't exist? >> it means nato has to develop new capabilities. it has to incorporate new threats in its exercises. it has to prepare its political leaders to understand the challenges and react to them. for example, in the case i cited in latvia you might need nato let's say, paramilitary police