Charleston, S.C. (AP) -- When scientists opened the watch belonging to the H.L. Hunley commander three years ago, they thought they had the key clue to why the Confederate submarine sank off Charleston. But the 18-karat gold watch now seems to raise even more questions even though scientists announced Friday it did not slowly wind down but stopped quickly — perhaps the result of a concussion or rushing water. "All of us were thinking the watch pointed to the crucial moment," said state Sen. Glenn McConnell, R-Charleston, chairman of the state Hunley Commission. "But I would say instead of the...