I thought he was clear in telling Trump not to go into specifics. It seems there was only one question where Lauer didn't remind Trump not to go into specifics.
NBC Forum: Hillary Clinton, Donald Trump Transcript
LAUER: You recently — you recently received two intelligence briefings.
TRUMP: Yes, I did.
LAUER: Did anything in that briefing, without going into specifics, shock or alarm you?
TRUMP: Yes. Very much so.
LAUER: Did you learn new things in that briefing?
TRUMP: First of all, I have great respect for the people that gave us the briefings. We — they were terrific people. They were experts on Iraq and Iran and different parts of — and Russia. But, yes, there was one thing that shocked me. And it just seems to me that what they said President Obama and Hillary Clinton and John Kerry, who is another total disaster, did exactly the opposite.
LAUER: Did you learn anything in that briefing — again, not going into specifics — that makes you reconsider some of the things you say you can accomplish, like defeating ISIS quickly?
TRUMP: No, I didn’t learn anything from that standpoint. What I did learn is that our leadership, Barack Obama, did not follow what our experts and our truly — when they call it intelligence, it’s there for a reason — what our experts said to do. LAUER: Hallie?