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George W. Bush, 13 March, 2003 at a press conference:

Q: Mr. President, in your speeches now, you rarely talk or mention Osama bin Laden. Why is that? [...]

BUSH: ... I don't know where he is. Nor - you know, I just don't spend that much time on him really, to be honest with you [...]

Q: Do you believe the threat that bin Laden posed won't truly be eliminated until he is found either dead of alive?

BUSH: As I say, we hadn't heard much from him. And I wouldn't necessarily say he's at the center of any command structure. And, you know, again, I don't know where he is. I'll repeat what I said: I truly am not that concerned about him. '