PowerPoint makes us stupid.

You can overcome wrong technology. Your people have the initiative, they see the problem, no big deal ... you can't overcome bad culture. You've gotta change whoever is in charge.

Treachery has existed as long as there's been warfare, and there's always been a few people that you couldn't trust.

Congressman [Mike] Pompeo said he believes the intelligence agencies' claims that Russia hacked the US election.

In this age, I don't care how tactically or operationally brilliant you are, if you cannot create harmony - even vicious harmony - on the battlefield based on trust across service lines, across coalition and national lines, and across civilian/military lines, you need to go home, because your leadership is obsolete. We have got to have officers who can create harmony across all those lines.

Yousef Aid Ahmed has memorized the places where his four brothers' bodies laid after they were killed by US marines, he said. The family recounts that November day in 2005 and says it was a massacre of the brothers, along with 20 other people, following a roadside bomb in Haditha.

I don't see lethality as the problem. I mean, the lethality of US forces is quite remarkable.