We were in Detroit for the weekend, and the most frequently asked questions about Boston were "What happened in the Super Bowl?" and "Is that Big Dig thing finally finished?" The latter is easier to answer: No. The Globe reports today--months after the official ending--that there are some 2,000 tasks of varying importance that have yet to be completed by the Massachusetts Turnpike Authority's contractors. The MTA says that while the Big Dig is functional......