Ripple effects of US dockworkers' strike could be felt in Asia, Europe

Nearly 50,000 dockworkers in the US are on strike for the first time in decades, halting the flow of about half the country's ocean shipping. The strike is expected to choke off deliveries of everything from produce to auto parts at cargo ports from Maine to Texas. And the ripple effects could be felt throughout the globe including in Asia and across Europe. Kate Fisher reports.