Port strike called at East and Gulf Coast cargo facilities as dockworkers walk off the job CBS NewsDock workers shut down ports in the East, threatening big hit to the U.S. economy Los Angeles TimesTeamsters Stand With The International Longshoremen’s Association International Brotherhood of TeamstersA historic strike is underway at U.S. ports — and the impact on global supply chains could be huge CNBCWhite House left with few good options as dockworkers walk out CNN