Feb. 3 — An Iraqi dam under construction on the Tigris River threatens to submerge the remains of the spiritual capital of the ancient Assyrian empire in an act archaeologists liken to flooding the Vatican.Much of the city of Ashur, which thrived for more than 1,000 years until the Babylonians razed it in 614 B.C., could vanish under a lake to be created by the Makhoul dam, U.S. and European archaeologists said.More than 60 outlying historical sites are also threatened.Ashur, or Assur, was of such importance that it lent its name to the Assyrian civilization itself."Losing it would be...