When I interviewed director Roland Emmerich a few months ago about his upcoming disaster flick "2012," the first question I asked was, "Why do you like killing the world?" His response: "It makes for a good story." Over the past fifteen years, Emmerich has crafted some great tales about global doom, featuring some spectacular scenes of destruction. He had aliens zap the White House in "Independence Day," he let a massive lizard flatten New York City in "Godzilla," and he sent killer tornadoes through downtown Los Angeles in "The Day After Tomorrow." For "2012," Emmerich set his sites on destroying...