Now that a crucial section of the San Francisco-Oakland Bay Bridge has been replaced by a new $6.4 billion span, nobody needs it anymore -- nobody except about 800 birds who call the decrepit, 78-year-old segment home. The double-breasted cormorants - protected, though not endangered - have nested along the bridge for decades, and have so far shown no interest in relocating to the shiny new section that replaced the eastern section of the famed bridge. Officials have tried pricey decoys, bird recordings and even specially-made nests installed underneath the new span to lure them roughly 100 feet next door....