Tucker Carlson is in a credibility battle with the NSA — and so far he’s losing

Time tends to warp in the vicinity of a presidential election, so you may have forgotten about one odd incident that occurred late last October.

On Oct. 29, Fox News host Tucker Carlson made a remarkable allegation. He had been sent a cache of documents offering revealing information about the family of the Democratic nominee for president, Joe Biden. These were “documents that are directly relevant to the presidential campaign just six days from now,” Carlson insisted — but they had inexplicably vanished. A member of his staff had given...