Democratic political operative David Axelrod on Friday argued that former President Donald Trump was deeply rattled by what he saw from Vice President Kamala Harris at this week’s Democratic National Convention. Appearing on CNN, Axelrod said that Harris had surprised him by being a much stronger political candidate than she had been back in 2020, when the massive anti-police brutality protests that erupted in the wake of George Floyd’s killing made her reluctant to talk about her background as a prosecutor. Now that Harris is leaning into her background in law enforcement, argued Axelrod, she…