I do not. It would be helpful to enumerate the specifics of this rather than to play the role of a cheshire cat and say nothing.

(I am independently looking for this, but cannot currently confirm)

Sorry, I thought it was part of the collective. ICYMI:

https://slate.com/technology/2013/10/nsa-smiley-face-muscula...

Thanks.

This can be entirely explained if the NSA had already performed a "solar winds" supply chain attack on the vendor that supplied the TLS encrypt / decrypt endpoints. Is the vendor of that hardware known or discoverable?

Google would have no idea the traffic could be intercepted. The NSA could use the Smiley face, perhaps with a nudge, nudge, wink, they are now a "supplier of data" on slides.