The work wasn’t completed, but Devin Nunes kept stepping on it and in it with some idiotic decisions as well as manufacturing illusory controversy such as with his #ReleaseTheMemo stunt.
Any further inquiry would probably make his impending indictment more complicated.
More complicated was calling people in for testimony whose involvement has verged into the criminal.
And soon the 2018 election will make the GOP members even more vulnerable.
Fortunately the minority will keep the pressure on.