Sacramento Bee: When President Dwight Eisenhower signed the Columbia River Treaty with Canada as one of his last official acts in January of 1961, global warming did not rank as a public concern.
Fifty-two years later, it's a far different story: Scientific models predict that rising temperatures will reduce the snowpack and glacier mass in nearby mountains, resulting in less water during seasonal runoffs for the 1,243-mile-long Columbia River, the longest in the Pacific Northwest.
The treaty created a massive...