Comey claimed not to have charged Clinton because there was a lack of intent. Gowdy is calling him on that, saying that this makes zero sense and going over all the ways they have to prove intent. His point at the end about "negligence" underscores the fact that the entire line of reasoning is nonsensical: intentional negligence is a contradiction in terms. That which is intentional cannot be negligent and vice versa. The law in question is against negligence (which does not require any intent whatsoever).
Just to underscore that, I just linked to a document where Colin Powell describes in detail how they're subverting the law: https://wikileaks.org/clinton-emails/emailid/30324
"However, there is a real danger. If it is public that you have a BlackBerry and it [is] government and you are using it, government or not, to do business, it may become an official record and be subject to the law. Reading about the President's BB rules this morning, it sounds like it won't be as useful as it used to be. Be very careful. I got around it all by not saying much and not using systems that captured the data."
I don't think it's reasonable to let our politicians get away with this. Inasmuch as people are worried about Russian influence, it seems strange to me that there's no worry about the very leaders to jeopardize our OPSEC with their hubris. Here is Colin Powell, again, saying things that should make HN readers cringe:
"Now, the real issue had to do with PDAs, as we called them a few years ago before BlackBerry became a noun. And the issue was DS would not allow them into the secure spaces, especially up your way. When I asked why not they gave me all kinds of nonsense about how they gave out signals that could be read by spies, etc. Same reason they tried to keep mobile phones out of the suite. I had numerous meetings with them. We even opened one up for them to try to explain to me why it was more dangerous than say, a remote control for one of the many tvs in the suite. Or something embedded in my shoe heel. They never satisfied me and NSA/CIA wouldn't back off. So, we just went about our business and stopped asking. I had an ancient version of a PDA and used it. In general, the suite was so sealed that it is hard to get signals in or out wirelessly."
If the law is so toothless that high ranking people of either party (Powell is a Republican) can deliberately subvert them, then we're always going to be at the mercy of every country with half-decent spies. This is a problem in its own right, independent from whatever partisan considerations we have here.
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Note: The square brackets in the quote are me fixing typos in the original.