International Longshore and Warehouse Workers Union employees at the Ports of Los Angeles and Long Beach and other west coast ports have been working without a contract for months. Now, the shipping companies that use west coast ports have asked for federal mediation in their stalled negotiations with the ILWU. KVCR's Ken Vincent has more on the story, including comments from Inland Empire Economist John Husing about the potential impact a port strike would have on the growing IE's warehouse and logistics industries.