Political notebook: Tibbits-Nutt silence | cannabis chief resurfaces | Southie rep race

Transportation secretary says nothing during discussion on new revenues

THERE WAS AN ominous juxtaposition at the MBTA board of directors meeting on Thursday. Michael Widmer, the former president of the Massachusetts Taxpayers Foundation, gave a presentation to the board focused on why the T finds itself on the edge of a financial cliff and what it needs to do to survive. Over the course of his career, Widmer said there had been 35 to 40 reports on the MBTA’s precarious financial situation, all of which he characterized as a cry for more revenue. He said the problem at the T is well known, but the political will to tackle…