Gross's attorney, Jared Gensler, has said that a mass on Gross's shoulder could be cancerous, but Vidal said on Wednesday that a biopsy conducted by Cuban doctors found that the mass was benign.

CNN: Cuba accuses U.S. of lying about jailed American's health

Single-use zoning and planning for different functions was thought to be efficient, but we now know that most office buildings are grossly underoccupied, with only 30% to 40% of their workspace used in a typical work day, never mind the gross inefficiencies of time and energy spent on large scale mass commuting.

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