SACRAMENTO - With Gov. Arnold Schwarzenegger's promotion of his environmental secretary, a retiring state senator from Santa Cruz is trying to line up support to assume that key Cabinet-level post. An aide to Sen. Bruce McPherson, a moderate Republican known for his support of open-space and coastal protection, has contacted environmental leaders, quietly gauging their backing now that Schwarzenegger has named California Environmental Protection Agency Secretary Terry Tamminen his new Cabinet secretary. Tamminen is slated to leave the California EPA on Dec. 1. Because of term limits, McPherson must depart the state Senate the following week. McPherson said no one...