Robert JablonAssociated Press  LOS ANGELES — Gov. Gavin Newsom has appealed directly to investor Warren Buffett to support demolishing four hydroelectric dams on a river along the Oregon-California border to save salmon populations that have dwindled to almost nothing.  Newsom sent a letter to Buffett last week urging him to back the Klamath River project, … Continue reading California governor asks Warren Buffett to back dam removal