Democratic panic: Who should replace Joe Biden after Thursday’s disastrous debate? 

The good news about last night's presidential debate is that there was a clear winner: the format. 

The format was awesome. No audience. No interrupting. The traditional debate format, at least in modern times, puts a premium on being obnoxious at the cost of actual substance. As far as the structure of CNN’s debate went, it was one of the best I’ve seen. 

As far as everything else went, not so much. 

Each candidate had a job to do. Donald Trump had to come across...