The collusion house of cards has finally and fully collapsed. In a stunning turn of events Thursday, the Justice Department dropped its case against former National Security Adviser Michael Flynn. Exculpatory documents concealed by the FBI and federal prosecutors for more than three years showed that the retired Army lieutenant general never lied or committed a crime. The FBI knew Flynn did not collude with Russians. He is a patriot, not a traitor. The notion that candidate Donald Trump conspired with Moscow to steal the 2016 presidential election was always an implausible phantasm built on a foundation of Russian disinformation...