Inside the KKK plot to kill Barack Obama — and the FBI informant who stopped it

In September 2008, members of a Wayward, Fla., chapter of the Ku Klux Klan concocted an elaborate scheme to kill Barack Obama days before he was elected president. They planned every detail, identifying the day, time, and location of the hit; obsessing over the senator’s motorcade alignments; securing .50-caliber rifles for the deed; and arranging...