Trapped underground during their evening commute, scores of commuters took to Twitter in outrage Wednesday evening and now many of them have a lot of questions for the Massachusetts Bay Transportation... more 
Trapped underground during their evening commute, scores of commuters took to Twitter in outrage Wednesday evening and now many of them have a lot of questions for the Massachusetts Bay Transportation Authority. less 
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WCVB - Boston
Wed, May 9, 2012 4:34 AM EDT