ABC News' Ed O'Keefe Reports: The dueling Democrats contending for the party's crown will debate again.
Taking the stage for the 21st and possibly 22nd time, Sens. Hillary Clinton, D-N.Y., and Barack Obama, D-Ill., could debate at least twice more before the critical Pennsylvania primary on Tuesday, April 22.
Both candidates have accepted an ABC News debate in Philadelphia and Obama has accepted a similar invitation from CBS News to debate at a location to be determined in North Carolina.
The CBS News debate would be their first debate of the 2008 campaign season.
In partnership with Facebook and New Hampshire affiliate WMUR, ABC News anchor Charlie Gibson moderated back-to-back Republican and Democratic debates, at that time featuring six GOP contenders and four Dems including Obama, Clinton, former senator John Edwards, D-N.C., and Governor Bill Richardson, D-N.M.