Goran Olsen was enjoying a leisurely hike recently in Norway when he stopped near the fishing village of Haukeli, about 150 miles west of Oslo. Under some rocks along a well-traversed path, he made a discovery that's now the envy of every detectorist in Scandinavia: a 30-inch wrought-iron Viking sword, estimated to be about 1,200 years old, CNN reports. One would think a sword that old would be so decrepit it could never be wielded again, but a Hordaland County archaeologist says it just needs a little polish and a new grip to be good to go. "The sword was...