A $4 million shortfall in the Birmingham Jefferson County Transit Authority (a.k.a. the folks responsible for our MAX bus system) has the potential to do just by causing them to cut Saturday service and downtown DART service among other things. Check out the Birmingham News’ story so you have an idea of what’s going on before you head out to this afternoon’s city council transit committee meeting  (at 4 p.m.) called by Councilwoman Carol Duncan to figure out next steps.