SEATTLE -- The double-deck Alaskan Way Viaduct spells disaster in the event of a massive earthquake in Seattle. It's a warning that played out in real life in Oakland, Calif., 30 years ago. The Cyprus Street Viaduct Collapse killed 42 people during the Loma Prieta Earthquake. The stark similarities between that and our own viaduct in Seattle had experts sounding the alarm back then. Then in 2001, the Nisqually Earthquake hit at a 6.8 magnitude. "In 2001, during the Nisqually quake, the Alaskan Way Viaduct was damaged on the north end of the Alaskan Way Viaduct," said tunnel expert Red...