My opinion is they won't replace Hillary. While a lot of people don't like her, she's still ahead in the polls. The DNC can't ignore that. She will also probably kill Trump in the debates. He's a much better speaker now with a teleprompter. But in a one on one debate, he'll be at a disadvantage. I also think she did have walking pneumonia. I had it years ago and the symptoms were pretty much what she had.

They also won't change candidates because of the timing and logistics. We're less than 60 days from the election. Early voting is starting in some states this week. Some of the military absentee ballots are also starting to arrive. If the Democrats decided to pick a new candidate, it would fall to the DNC to make a selection. The problem is the ballots with the current nominees are already set up ~ with some printed for absentee ballots or those who like paper ballots. In some states it's already too late to change the names ~ the deadline for any changes has passed.

Even Cokie said at the end of that report that it was unlikely the Democrats would replace Hillary. But my hunch is, if they did, they'd go with Biden and this time he'd accept and probably win.

Here's more info on the process: http://time.com/4487950/hillary-clinton-donald-trump-illness-replace/