Last year, eight members of the House Permanent Select Committee on Intelligence issued a demand that their staffers be granted access to top secret classified information. The signatories to the letter were Andre Carson, Luis Guiterez, Jim Himes, Terri Sewell, Jackie Speier, Mike Quigley, Eric Swalwell and Patrick Murphy. All the signatories were Democrats. Some had a history of attempting to undermine national security. Two of them have been linked to an emerging security breach. The office of Andre Carson, the second Muslim in Congress, had employed Imran Awan. As did the offices of Jackie Speier and Debbie Wasserman Schultz;...