CNN Inside Politics: Betting on the Blue Wall

First: Kamala Harris is camping out in Michigan, Wisconsin, and Pennsylvania this week as it becomes increasingly clear that her best path to the White House leads straight through those crucial states. 

Plus: The Trump campaign reportedly wants Nikki Haley to join him on the trail during the campaign's final days. So why this morning did the former president take a swipe at her? 

And: Too close for comfort. That's how the architect of Obama's presidential campaign, David Plouffe, sums up this race. He joins us exclusively. 

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