How Are The MBTA's Problems Impacting Business?

It was another slow commute into the city Monday morning as the MBTA's red line operated on a reduced level following last week's derailment.

Investigators have yet to determine the cause of the derailment, but ongoing delays and problems on the T have led to much frustration among commuters, T riders, drivers, business leaders and public figures.

We speak about the business impacts of our transit woes.

Andrea Campbell, president of the Boston City Council. She tweets @campbellford4.

C.A. Webb, president of the Kendall Square Association. She tweets @ca_webb.

Carolyn Ryan, senior vice president of policy and research at the Greater Boston Chamber of Commerce.