Biden-Trump debate: Here are five questions for California voters to consider

“Persuadable voters will be watching to see whether Biden can appear strong and commanding, pushing back on the narrative that he is too old for another term. For Trump, they will be watching to see if he is in command of the issues rather than coming across as bombastic and off-putting,” said Tom Hogen-Esch, a political science professor at California State University Northridge.