MPR News Update

We have complete coverage of the New Year's Day building explosion and aftermath in Minneapolis. Trains are rolling again through Casselton after that derailment and fire. And community health clinics are gearing up for more patients under the health care overhaul.
We're also reporting on Republicans seeking a way to send Dayton packing, the Minneapolis mayor's legacy and the bone-shaking cold weather. There's also an animated look at the Metrodome's final days.