- Donald Trump admitted he "has to be careful" when walking, a rare acknowledgement of his health.
- Speaking to CNBC's Joe Kernen on Tuesday, Trump, 79, criticised Joe Biden's walking ability.
- He claimed Biden "couldn't walk up a flight of stairs" and was "falling all over the place".
- Trump explained his own caution, stating that if he were to trip or fall, it would be a significant event.
- He added that he walks "nice and slowly" when exiting planes to avoid setting "speed records" and potential falls.
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