Adam Taylor: Why a suspected Russian submarine is a reminder of Cold War embarrassment for Sweden

The Swedish corvette HMS Visby under way on the Mysingen Bay on Oct. 21, 2014 on their fifth day of searching for a suspected foreign vessel in the Stockholm archipelago.
Over the past few days, the Swedes has been perturbed by ominous signs that appear to show a foreign submarine may have infiltrated their waters. On Friday and Saturday Swedish forces searched the waters for "foreign underwater activity" in the Baltic Sea, by Sunday there were reports of three "credible" sightings. By Tuesday there were two more.