More carefully timed concessions may follow, perhaps with an announcement about new limits on steel exports sometime around the Pennsylvania primary.

Another large chunk of delegates was chosen in the month following the Pennsylvania primary.

The loss of popularity reverberated in Tuesday's Pennsylvania primary.

Obama then won the Wyoming caucus and Mississippi primary and later lost the Pennsylvania primary.

What's happening in the Pennsylvania primary?

Their candidate had just gone through a harrowing month, divided neatly in two by his thumping in the Pennsylvania primary.

His campaign announced that Mr. Gore had canceled his advertising for next week's Pennsylvania primary.

Turnout among both blacks and whites was well below that in past Pennsylvania primaries.

Since the Pennsylvania primaries are closed, the poll noted that Specter could not be assisted by support from moderates or Democrats.

The Pennsylvania primary was Tuesday April 22.