Other countries besides Iran involved in 9/11

"Hardball with Chris Matthews"

GRAHAM: Chris, you‘re also assuming that the only foreign government that provided assistance to al Qaeda was Iran, based on this new information....

MATTHEWS: Right. But Senator Graham, do you know for a fact that any other government helped the al Qaeda people hit us on 9/11?

GRAHAM: Yes.

MATTHEWS: Who?

GRAHAM: I cannot say that.

Now who might that be?
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