WW (detective story author?) posted this on WordPress:
“William Warwick
September 26, 2018 at 10:41 pm
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Maybe Sanborn got that from the song..
In a flood of T ears (sic)
That no one really ever heard fall at all.”
https://kryptosfan.wordpress.com/2014/12/15/kryptos-f2p-berlin-clock/
WW and I know that the key is in the T, the letter common to Kryptos, CTC and DJT.