The memo released Friday by the House Permanent Select Committee on Intelligence was the product of necessity, not choice. Even before its release, the debate over its provenance, motive and effect was obscuring the crucial point that it is the underlying facts the memo alleges that present the real issues.

The committee’s memo says that yet another memo, which goes by the cloak-and-dagger title “Steele dossier,” provided at least part of the basis for a wiretap of Carter Page, a U.S. citizen who had volunteered as a foreign...