LA
04/28/2010 05:12 am ET Updated May 25, 2011

Summer 2011: A Perfect Storm for Hollywood's Labor Unions

It could be a perfect storm.

Less than a year after the Screen Actors Guild finalized its contract with the studios -- ending one of the most tumultuous rounds of labor negotiations in Hollywood history -- the drama is already starting to build toward spring 2011.

That's when four major guild contracts will expire. All at once.

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