Republican operative Scott Jennings was using a recent poll to push Joe Biden to withdraw from the presidential race, but CNN host and journalist Alisyn Camerota showed him that the same poll suggests Donald Trump should drop out, too. Democratic strategist Maria Cardona and Jennings appeared on CNN Sunday, where they debated the importance and impact of Biden’s dismal debate performance on Thursday. They were also asked about reports that Biden is isolated from some White House aides. “Reporters are looking for any kind of breathless reporting on what happens behind the scenes,” Cardona said….