'High level' White House meeting on melting Arctic a fiction?

Alaska Dispatch

...there's no evidence any such meeting ever occurred. It may have. But if it did, the White House won't say.
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What do we know? In addition to Duarte's account that no U.S. government officials were a part of his Washington research meeting, Dr. Gale Allen, acting chief scientist for NASA, said neither he nor anyone from NASA attended any meeting like the one described by The West Australian or The Guardian.