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https://twitter.com/LHSummers/status/1762607548828360798
So the number still looks like 18%, even when you take out the attacks on the author of the article who was accurately reporting what Summers said.
Though this is an impressive amping up: "previous" is 1983. This isn't some dastardly bit of math by the present administration. This dates back to Reagan.
Of more interest is that consumer sentiment is indeed grumpy, and that is a big deal with an election coming up. They don't really need this guy coming up with mendacious explanations for it.
What specific lie are you calling out here?