 But Biden's sometimes halting performance in the CNN presidential debate has resulted in some in his own party publicly questioning if he should continue his campaign. More on that from CBS News correspondent Ed O'Keefe. We were warned ahead of this. If Democrats see a good performance tonight, they'll be okay with it. They'll move on. If they don't, panic will ensue. Tonight, there are signs that some elected officials in the party may be at least talking about going to the White House in the Biden campaign and saying he's got to rethink whether he should be the nominee.