By Chris Newbold, Alabama Public Radio
http://stream.publicbroadcasting.net/production/mp3/wual/local-wual-661977.mp3
Mobile, AL – Mobile is one of the first ports in the nation to take part in a new federal security system. The Transportation Worker Identification Credential program - called TWIC - is designed to reduce threats at the nation's deep water ports. But it does have its critics. Alabama Public Radio's Chris Newbold reports.