Could Russia overrun Estonia, Lithuania & Latvia before NATO responds?

This video explores a hypothetical situation where the standoff with NATO escalates and Russia decides, for whatever reason, to invade the three Baltic states. Could NATO respond in time to prevent Estonia, Lithuania, and Latvia from being overrun? 00.00 Intro 01:07 Baltic states’ military 03:55 Mobilization issues & Belarus 06:31 What could Russia muster? 08:46 NATO’s reinforcements 10:16 Achieving surprise is hard 12:35 The air war 13:44 Terrain & plausible outcomes