President Obama is playing for time before wading into one of the oldest - and most far-reaching - disputes in the West's water wars: the fate of four dams on the Snake River in Washington. But eventually he and his policy team should muster the courage to go with a sweeping but science-backed option: Take down the string of outmoded structures that impede salmon.
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/08/15/EDHN1975DF.DTL