Ever since Biden’s disastrous debate performance, the campaign has been on a charm offensive to shore up support and quell the growing calls for Joe to step aside. Results have been mixed. Biden is under the microscope and the stakes are high, and even with the increased scrutiny and concerted effort to put his liveliest foot forward, Joe has looked just okay. He’s clearly trying to project an aura of vitality with rallies and a packed schedule that included meeting with the leaders of NATO, but Biden still looks every bit his age. He is a physically fit 81-year-old, he’s had a long career cap…