There’s a belief the US Democrats have a renewed sense of momentum and energy in the lead up to the Presidential election. 

It follows Democratic nominee Kamala Harris confirming Minnesota Governor Tim Walz as her running mate. 

US Correspondent Mitch McCann told Ryan Bridge thousands of supporters have packed out a Philadelphia auditorium to hear from the pair jointly for the first time. 

He says those in the crowd described the atmosphere as electric and compared it to Barack Obama's 2008 campaign. 

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