It’s true, Biden managed not to fall off the dais, or go completely blank, or fall over his dog. It’s true, he matched the topics on his cue cards to the subjects of the questions. But this press conference was nerve-wracking and enervating to watch. It’s obvious that Biden’s mind often has no idea what his mouth is saying. This press conference was supposed to dampen concerns about his mental acuity. Instead it confirmed that Biden is too old and complacent for the scale of the task.