Besides Joe Biden's bad health, and his awful performance in the debate, and his bad polling numbers, I think the final knockout punch for Biden leaving the race was the incredibly successful Republican National Convention in Milwaukee. That's right, the RNC was the final knockout punch for Mr. Biden.

The convention was so positive, so optimistic, so united, so well-messaged, that leading Democrats took one look at that and decided they needed a new horse. 

With Rep. Byron Donalds (R-FL), Sen. Marsha Blackburn (R-TN), Vivek Ramaswamy, Mollie Hemingway, Ben Domenech, and Art Laffer.

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