In a fiery exchange last month, CNN anchorwoman Abby Phillip told GOP presidential candidate Vivek Ramaswamy that there was “no evidence” to support his claim that federal agents abetted protesters at the Capitol on Jan. 6, 2021. Ramaswamy shot back that the FBI conspicuously has never denied that law enforcement agents were on duty in the crowd. He argued that federal officials have repeatedly “lied” to the American people about not only that investigation but one that has gotten much less attention: the alleged failed plot to kidnap and kill Democratic Gov. Gretchen Whitmer of Michigan in 2020. “It was...