Joe Biden's dropping out of the US presidential race. 

It's the first time in decades a sitting US President has ended a re-election run.  

Biden's endorsed Vice President Kamala Harris to take his place – but the final decision around her nomination lies with the Democratic Party delegates.  

Biden's recent debate performance had sent shivers through the party. 

Multiple senior party members have come forward publicly in recent weeks to express a lack of confidence he could carry out another term.  

Now, many are praising his decision, and his administration's work. 

Reuters White House correspondent Jeff Mason told Mike Hosking it's been difficult to predict whether this would happen.  

“He has in part of the time really dug in, and part of the time showed a willingness to listen to what people were telling him.” 

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