Current US President Joe Biden acknowledged in 1997 that eastward NATO expansion into the Baltic states would cause “the greatest consternation,” which could “tip the balance” and result in a “vigorous and hostile reaction” by Russia. The Baltic states of Estonia, Latvia, Lithuania did indeed become part of NATO in 2004. Estonia and Latvia directly border Russia, and frequently do military exercises with Western troops a mere 100 kilometers from the border. Biden’s 1997 comments were a clear admission that Washington knew its policy of pushing the US-led military alliance right up onto Russia’s borders could force Russia to respond...