The news that Special Counsel Robert Mueller "did not find that the Trump campaign, or anyone associated with it, conspired or coordinated with the Russian government" has left a lot of people in Washington with a lot of explaining to do. Put aside the rogues' gallery of reporters and pundits who assured us that Donald Trump had conspired with Vladimir Putin to steal the presidency. What is most insidious are those who did have access to classified intelligence and led Americans to believe that they had seen what we could not: actual evidence of Trump-Russia collusion. Recall that in 2016,...