President Joe Biden has experienced several falls in the past few years, including stumbling while ascending the ramp to Air Force One and negotiating a stage at a military awards ceremony. Predictably, Republicans were swift to mock the President, attributing his stumbles to his advancing age. In a turn of events, one of those who had ridiculed Biden’s unsteady gait, Senator Tommy Tuberville (R-AL), found himself taking a tumble, and social med…