By David Nitkin
This entry has been revised from an earlier version.
The chairman and vice-chairman of the Maryland Democratic Party are throwing their support behind Sen. Barack Obama on the eve of Tuesday's primaries in Indiana and North Carolina, giving the Illinois senator at least two additional superdelegates.
Maryland Democratic officials initially said that a few more superdelegates -- including state Del. Heather R. Mizeur of Montgomery County -- could also announce their decisions today. But Mizeur said in a subsequent interview that she had not made up her mind, and was not prepared to announce a decision until later in the primary process.
A 2:30 p.m. news conference at the University of Maryland is being scheduled for the announcement, which will feature former Maryland Gov. Parris N. Glendening. Glendening had first backed New Mexico Gov. Bill Richardson, but was chosen as an add-on superdelegate committed to Obama at a state party meeting last weekend.
The Obama campaign has been putting pressure on unpledged superdelegates in several states to recapture momentum ahead of this week's primary, trying to counter negative publicity surrounding Obama's former pastor, the Rev. Jeremiah A. Wright Jr.
Maryland has had 12 unpledged superdelegates, the second-highest amount of any state.
Party chairman Michael Cryor and Vice chairman Lauren Dugas Glover had previously said they would stay neutral during the primary season because of their positions. Cryor had referred to himself as being uncommitted, but not undecided.