“What might a BP oil-spill dance look like? Or an I-was-gouged-by-Bernie-Madoff solo? … Maybe we’ll never know. Maybe that’s a good thing. But 80 years ago, when a financial crisis and an environmental disaster captured America’s attention, modern dancers were among the leading chroniclers.” The Graham company’s Political Dance Project “looks at works of the 1920s and ’30s by Graham and her contemporaries.”