It's hard to recall what a big deal it was when Steven Spielberg, Jeffrey Katzenberg and David Geffen created DreamWorks SKG as an alternative studio back in 1994. Many have analyzed the multiple reasons for the ultimate failure of their experiment. To put it simply, you can't run a studio-scale studio without studio-scale resources, and it was business genius Geffen who knew how to mastermind that--until he left in 2008.