As a retired admiral and former supreme allied commander of the NATO, I was thrilled when Sweden and Finland joined the alliance. My first thought was about the vast coastline the two Nordic states provided, essentially turning the Baltic Sea has into a "NATO lake.” Russia has a sliver of land on the eastern corner of the sea where St. Petersburg sits, and another slice with its Kaliningrad territory, located between Lithuania and Poland. But nearly all the Baltic coast is firmly in the hands