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A lease sign is shown in downtown San Francisco, Wednesday, April 10, 2002. Economists see signs the recession is abating, but that's little consolation to those who own office space in America's cities, where rents are plummeting because of the biggest glut of commercial real estate in years. Buildings from right are the Embarcadero, Transamerica Pyramid and Bank of America Building. (AP Photo/Paul Sakuma)