First: VP Kamala Harris heads to Arizona a day after holding rallies in Wisconsin and Michigan in front of two of the biggest crowds Democrats have seen in years. What about critical swing voters in these must-win states? 

Plus: Republicans accuse Tim Walz of lying about his military service, but we will bring you the facts on that and look more broadly at how the Trump campaign is shifting its strategy to fight the new Democratic ticket. 

And: Joe biden says he's worried about a peaceful transition of power if Trump loses. Dana asks Maryland senate candidate and never-Trump Republican Larry Hogan whether he shares that concern. 

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