Don't worry — offices aren't doomed

Gas Company Tower was once a gleaming model of downtown America's ascendancy. Located squarely in Los Angeles' central business district, the 52-story skyscraper has a strong pedigree. It's home to a collection of major corporate tenants, including the Southern California Gas Company, the white-shoe law firm Sidley Austin, and Deloitte, one of the Big Four accounting firms. Its owner, Brookfield, is an $800 billion investment firm known for its blue-chip portfolio of real-estate assets. The tower's lobby even had a Hollywood cameo when it was featured in the opening shot...