NORFOLK — Two Dutch sailors, foundering for three days in the storm-churned North Atlantic with torn sails, a failing engine and sinking boat, were rescued by the cruiser Vella Gulf 1,300 miles due east of Boston, the Navy said Tuesday. And the Navy coxswain operating Vella Gulf’s 24-foot rigid hull inflatable rescue boat, plowing through 20-foot seas and high winds, is being hailed as a hero for getting his crew of five and the stranded sailors safely back aboard the Norfolk-based ship on Monday. Capt. Stephen F. Davis Jr., the cruiser’s commanding officer, said by satellite telephone from sea Tuesday...