Agence France-Presse: The Environmental Protection Agency has proposed an unprecedented veto to restrict or prohibit mining at a major proposed US mountaintop removal coal mining site. If the veto is finalized, it would invalidate a permit first issued in 2007 for the Army Corps of Engineers at the Spruce No. 1 surface mine in southern West Virginia. In explaining its decision, the EPA said Friday the Arch Coal Inc. mine would pollute surrounding water, fill over seven miles (11 kilometers) of …