 Biden's miscues and limitations are more familiar inside the White House. The time of day is important as to which of the two Bidens will appear. The two Bidens would be somewhat with it, and then slack-jawed, glassy-eyed, looks as though he's about to die Biden. Quote, from 10 a.m. to 4 p.m., Biden is dependably engaged, and many of his public events in front of the cameras are held within those hours. Outside of that time range, while traveling abroad, Biden is more likely to have verbal miscues and become fatigued, aides told Axios.