Even so, the labor endorsement is important in the Democratic contest.
Whatever the outcome of this week's primaries, the pressure to resolve the Democratic contest can only increase.
But so far, no negative commercials have been aired in the Democratic contest.
This year, there are only three primary contests - one Democratic and two Republican.
The Democratic contest has the potential to get nasty as well.
But most political professionals consider the Democratic contest too close to call.
There is little doubt about who will win the Democratic contest.
I have the smallest average donor base in the Democratic contest by far.
The gloves have not exactly come off in the Democratic nominating contests.
There are no public opinion polls indicating who is out front here in the Democratic contest.