evidence: In many of these conversations, sources blamed the president’s inner circle of advisers and family for what they said has become a painstakingly choreographed daily operation designed to prevent him from being in unscripted settings for extended periods of time. [...] That Democrat was blunt about how the president’s closest advisers have responded to any criticism or concerns expressed about the president – including his age and fitness: "Everyone who expresses any level of suspicion or contrary views? They call everyone and they beat the s*** out of them and say: ‘Stay on message.’" [...] Advisers to the president have grown extraordinarily sensitive to how Biden will physically appear on camera. His team has sought to remedy for the president’s stiffened gait, which in more recent years has produced images of the president shuffling and taking shorter steps – universally understood signs of aging.