The appearances have also allowed Biden to defend his own legacy at a time when Trump frequently blames him by name, many Democrats remain frustrated that he took so long to end his 2024 campaign and a pair of recent books assert that Biden’s team hid his cognitive decline at the end of his presidency.

The former president on his successor's first 100 days and his "grave concern" for the future of the Atlantic Alliance

"She was part of every success we had," Biden later said of VP Harris, adding that they "argued like hell" in healthy debate over policy during his administration.