No one wants to talk about it, a federal court order mandates Holyoke to stop the flow of raw sewage into the Connecticut River and local elected officials and appointed members of the Board of Public Works debate where the money should come from to pay the city’s sewer bill. Here’s a behind-the-scenes look at the men who do the engineering, the science, cleaning, the maintenance, budgets and more so we, the public, barely have to think about it.