The FBI's Investigation of Trump as a "National Security Threat" is Itself a Serious Danger. But J. Edgar Hoover Pioneered the Tactic

The FBI’s Investigation of Trump as a “National Security Threat” is Itself a Serious Danger. But J. Edgar Hoover Pioneered the Tactic

A view of the J. Edgar Hoover Building, the headquarters for the Federal Bureau of Investigation (FBI), on May 3, 2013 in Washington, DC. The FBI announcement that it will move its headquarters has sparked fierce competion in the Washington DC area with bordering states Maryland and Virginia competing to have the FBI find a new home in their jurisdictions. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

Did the FBI investigate Trump due to disagreements with his policy views on Russia? If so, it would not be the first time the bureau abused its powers this way.