Guys look at his beer line diameter... he's got 1/4" line, 20 feet would still cause a slower pour but its not that unheard of. A slow flow rate does not always equal no foam.
I'd try decoupling, pull the faucet off and re-seat everything and recouple it and see what happens. Could be a keg defect.
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Always do sober what you said you'd do drunk. That will teach you to keep your mouth shut.
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