How can former Vice President Joe Biden win back the Rust Belt and inspire a nation if he can’t even go toe-to-toe with a Michigan autoworker without embarrassing himself?

That should be the question being asked by Democratic Party insiders who succeeded Tuesday night in seemingly locking up the Democratic presidential nomination for the establishment’s handpicked candidate.

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Earlier in the day, the likely Democratic nominee was faced with another embarrassing interaction with blue-collar America – the very demographic where Biden’s appeal was supposed to be a boon.

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