ABC News’ Averi Harper reports on the legacy of former President Joe Biden, as well as political reaction to his cancer diagnosis.

As a new bombshell book about President Biden’s reported mental decline prepares to hit shelves, the political world is reacting — and not always in predictable ways. In this segment from The Final 5,

Former President Joe Biden has been diagnosed with advanced prostate cancer, prompting support, while past rivals pledge to investigate his final actions in office.