The public deserves a full airing of 2016 election shenanigans, including whether there was any untoward behavior by high-ranking office holders. Toward that end the House Intelligence Committee wants to find out who knew what and when about the infamous Steele dossier.

House Intelligence Chairman Devin Nunes on Feb. 20 sent a letter to 11 current and former officials requesting information about their awareness and handling of the dossier produced by Christopher Steele. The former British spy was hired to compile his claims...