Dodd's firefighter endorsement has, perhaps, sped these announcements up a bit, particularly with Fournier putting Dodd back into the game.

Hillary gets the Machinists.

And a Rhode Island blog reports that the Carpenters will go with Edwards. (via DailyKos)

It's turned into a real union-by-union battle, and the end result will presumably be a divided -- and thus weaker -- labor presence in the primary.