US President Joe Biden's expected to dominate the first day of the Democratic National Convention.  

It starts in Chicago today and is where Vice President Kamala Harris and her running mate Governor Tim Walz will accept their presidential and vice presidential nominations. 

Biden's expected to give an address and make a symbolic handover to Harris. 

FSN Correspondent Simon Marks told Ryan Bridge they're getting the uncomfortable bits out of the way on the first day.  

He says President Biden will be the main speaker, alongside First Lady Jill Biden and former First Lady, Hillary Clinton. 

Harris will be looking to ride her wave of momentum into the convention. 

She currently has a six-point lead over Donald Trump in the latest Fox News poll, Marks saying that Harris will be wanting the convention to go flawlessly over the next few days. 

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