The danger of doing two much is a simple one. If NATO does too much and expands what it's doing right now even further, that is likely to be a signal to reignite the war that has not stopped, but has sort of paused—albeit that's not the right word. But you know what I mean: it's sort of grounding slowly. That becomes a signal, I think, a danger that the Russians will then escalate it.
On February 8th, 2018. See this statement in context.