Both parties have campaigned extensively, and their credibility is at stake.

After the war, Lawrence campaigned extensively for government sponsorship of large scientific programs.

Mrs. Lieberman campaigned extensively for her son in the fall.

Dukakis aides note that the candidate has also campaigned extensively outside the state this month.

He campaigned extensively to gain self-reliance on the front of education, writing articles about the circular and its implications.

He has also campaigned extensively for a new hospital in the Pease Pottage area.

Obama campaigned extensively in Virginia and counted on the booming northern parts of the state for a Democratic victory.

For nearly a year, Mrs. Clinton has campaigned extensively upstate, and seems to genuinely like it here.

Campbell extensively campaigned during the summer, touring the nation and attending barbecues and other events.

Ms. Hanover campaigned extensively for her husband in both his 1989 and 1993 mayoral campaigns, but she said her professional situation had changed.