This is merely two of several candidates running for the 1st Congressional district. Scheduling conflicts apparently keeping republican candidate Benishek, and two Democrats (that we know of) from attending. These two are running for the seat to be vacated by Bart Stupak, who seeing the writing on the wall for his political career, decided to make it possible for other Democrats to pick up the seat.
The sound could be better, and as with some of the videos taken at the event, I could not compress without losing content, so they are broken into two parts.
I hope this helps.