Joe Biden's inner circle's portrayal of him as sharp is questioned in 'Original Sin,' revealing efforts to shield his decline ...

Jon Stewart and 'Pod Save America' hosts raise concerns about Biden's mental health following 'Original Sin' book, ...

It's healthy for Democrats to reflect on a major screw-up —and it can be done at the same time as fighting Trump.

In a copy of “Original Sin” obtained by ABC News, journalists Jake Tapper and Alex Thompson allege Joe Biden hid info about ...

Tapper's book, co-authored by Alex Thompson, describes a president who struggled to function: "One person told us that the ...

The revelation of former President Joe Biden ‘s cancer diagnosis has seemed to halt the ongoing debate over his fitness for ...

Tapper’s book, “Original Sin: President Biden’s Decline, Its Cover-Up, and His Disastrous Choice to Run Again,” co-authored ...

Five people were running the country, and Joe Biden was at best a senior member of the board,” one source said in the book “Original Sin.” ...

Jake Tapper and Alex Thompson’s new book is an investigative account of loyalists and family members who shielded the ...

In a desperate attempt to get footage of former President Joe Biden sounding sharp and quick on his feet, his campaign staged ...

Joe Biden, D-Del., wave to the crowd at the 2008 Democratic National Convention in Denver, Colorado August 27, 2008. Yoon S. Byun/The Boston Globe via Getty Images "Original Sin" claims that Joe ...

Suddenly, reporters are interested in Biden’s decline while in office. Where were they at the time?