The questionable presentation of the Iran-Iraq link

In NBC's reporters' blog, Jane Arraf describes the mechanics around Sunday's briefing on Iran sending weapons into Iraq. (Notice the Iraqis knew it was crap.)

We were ordered to leave everything outside except a pen and notebook when we went into the briefing. Shortly after it started, my pen failed. An Iraqi journalist gave me his - he wasn't using it. Several of the Iraqi journalists got up and left before the briefing was over.

That's the difficult thing about this story -- without having access to information the U.S. government says it can't give us, it's impossible to evaluate the accusations that these weapons are coming only from Iran in operations authorized by the Iranian government.

Does this sound like any kind of briefing you've heard of before?