Each economic superhero has a distinct personality and style--Greenspan is the shaman, Rubin the Midas figure, and Summers the academic--but together, they stave off worldwide economic panic.
While they may starve off an economic panic worldwide -- Greenspan, Rubin, and Summers can't hold it off forever. 
mnli hypothesis: While they may starve off an economic panic worldwide -- Greenspan, Rubin, and Summers can't hold it off forever.  premise: Each economic superhero has a distinct personality and style--Greenspan is the shaman, Rubin the Midas figure, and Summers the academic--but together, they stave off worldwide economic panic.