The Point? None, except for the one on his head?

Dateline: 1973

"McCartney visits John Lennon and Harry Nilsson, who are living together in L.A. while Lennon produces Nilsson’s album, “Pussy Cats.” A bleary-eyed Nilsson offers McCartney some PCP. Paul asks, “Is it fun?” ”No,” Nilsson replied. So McCartney passes on the PCP."

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