Here Napolitano says Clinton could be tried if she is found to have lied to Congress.
"Lying to congress carries the same criminal liability and the same punishment as lying under oath to congress. I’m not suggesting that Mrs. Clinton lied, but I’m saying that a case could be made out, either legally in a courtroom if a prosecutor wanted to, and certainly politically in a public sphere should she decide to seek higher office."
Here he is talking about how the President can be impeached over reckless spending. The President is hired to keep us safe, so cutting the military to keep unnecessary spending is impeachable, according to Judge Napolitano.