By Carrie Saldo
http://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-510945.mp3
Great Barrington, MA – The Big Dig, $14.6 billion conversion of Boston's Interstate 93 into an underground highway, has long-been plagued by criticism, cost overruns and scandals. Now, Democratic hopeful for governor Deval Patrick says it needs an independent monitor. A report from WAMC's Carrie Saldo: