Source : Concern had been growing about Secret Service director after East Room breach . But `` last straw '' was not telling Obama , for more than 2 weeks , about man with gun at CDC . " Comment: The president isn't the only person who has access to classified information.
Source : Concern had been growing about Secret Service director after East Room breach . But `` last straw '' was not telling Obama , for more than 2 weeks , about man with gun at CDC . DHS Secretary Jeh Johnson accepted Julia Pierson 's resignation on Wednesday .