FILE - In this Dec. 4, 2006 file photo, shows are unloaded from the APL Singapore vessel at the port of Los Angeles. The West Coast ports that are America’s gateway for hundreds of billions of

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FILE - In this Dec. 4, 2006 file photo, shows are unloaded from the APL Singapore vessel at the port of Los Angeles. The West Coast ports that are America’s gateway for hundreds of billions of dollars of trade with Asia and beyond are no stranger to labor unrest and even violence. Now, the contract that covers nearly 20,000 dockworkers is set to expire, and businesses that trade in everything from apples to iPhones are worried about disruptions _ as the summer cargo crush begins. (AP Photo/Damian Dovarganes,file)

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Associated Press
Mon, Jun 23, 2014 8:09 AM EDT