FBI Director James Comey told the House Oversight and Government Reform Committee Thursday that he thinks the Justice Department is worried that the 1917 law criminalizing gross negligence in handling classified material is “invalid” and “would be challenged on constitutional grounds, which is why they’ve used it extraordinarily sparingly in the decades.” […] “Do you believe that since the Department of Justice hasn’t used the statute Congress passed, it’s invalid?” (Tim) Walberg asked. “No, I think they’re worried that it’s invalid, that it would be challenged on constitutional grounds, which is why they’ve used it extraordinarily sparingly in the decades,”...