Clinton took the debate dispute to a new level, challenging Obama to face off with her in a debate without a moderator.
131374
Clinton challenges Obama to debate without moderator
32230
Obama faces distractions
5375
Obama revels in newfound status;
52436
Another woman comes forward against...
111414
Pennsylvania becomes battleground for Democrats
48896
Hillary Clinton threatens to ``obliterate'' Iran
68594
Obama running ahead of schedule
21752
Candidates debate the issues
97973
'It is the start of a fight'
20080
Obama launches campaign in battleground states
96881
Obama plunges into campaign
7828
Obama holds edge in battleground states
21913
Bill O'Reilly, Jon Stewart to tangle in mock debate
168311
Candidates take legal action
93561
McCain asks to delay debate
87218
Obama launches sharp assault on McCain
158317
Obama will make 'some adjustments' for second debate, David Axelrod says