Newscast: Wednesday, August 29, 2012, 5:50 p.m.

Attorney General Bill Sorrell has won the Democratic nomination in a close primary with challenger T.J. Donovan; In Montpelier, the City Council is expected to approve a plan this evening to upgrade and expand a wood-fired heating system for downtown buildings, and commentator Suzanne Spencer Rendahl on a book that’s made political headlines.