More than $1 billion worth of cargo passes through the ports of Los Angeles and Long Beach every day. Labor disputes have stalled operations for weeks now, and ships have been anchored for days. Daniel Hajek/NPR hide caption

itoggle caption Daniel Hajek/NPR

Fast-food workers in Los Angeles march in August 2013 to raise the minimum wage to $15 an hour. Similar protests around the country have been organized by labor unions. Nick Ut/AP hide caption

itoggle caption Nick Ut/AP