He dropped out of the presidential race last July, but the focus is now back on Joe Biden. 

The former US leader has not only been diagnosed with an aggressive form of prostate cancer, but a new book released this week has accused the White House of covering up a decline in his health before he stepped down to make way for Kamala Harris.  

Today, Bruce Wolpe, a senior fellow from the United States Studies Centre on Biden’s cancer diagnosis and why staying in the race for so long may have changed the course of history. 

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Bruce Wolpe, a senior fellow from the United States Studies Centre