Inside the T's Tuesday morning collapse

A smoking electrical cable at Downtown Crossing station snarled service on the MBTA's Red and Orange Lines Tuesday. That, with much of the Green Line already shut down for repairs, left commuters twisting in the wind.

The incident raises questions, most crucial among them: is the T making good on its promises to change for the better?

Taylor Dolven of the Boston Globe and Chris Dempsey of the urban planning firm Speck Dempsey join Radio Boston to discuss.