MULLEN: Well, Benghazi -- they're no longer marching there. I wouldn't describe Benghazi as safe at this particular point in time.
AMANPOUR: But even though you say you have to assume that they have some kind of capability, realistically, do you think Gadhafi can attack civilian aircraft targets and will do?
MULLEN: Well, he still has -- from what I've seen this morning, he still has some surface-to-air capability, where he could attack an aircraft, including one of ours. We haven't seen large-scale indications of that after the action yesterday. He clearly has the ability to continue to attack his own people, and then we're very focused on that, and -- and trying to ensure that his military forces don't do that.
AMANPOUR: Mustard gas stockpiles, is that a problem?
MULLEN: Very closely monitored, and I haven't seen it as a problem thus far.
AMANPOUR: Admiral Mullen, thank you very much, indeed, for joining us.
MULLEN: Thank you, Christiane.
AMANPOUR: And we're covering the unfolding events in Libya from all angles this morning. Up next, I'll speak with a leader of the opposition movement who until recently worked for Gadhafi himself. He joins me with unique insight into the Libyan strongman.
And later, will a new war abroad bring a new threat here in the United States? Could Gadhafi retaliate on American soil? I'll put that question to the former homeland security secretary, Michael Chertoff.
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H. CLINTON: The world will not sit idly by while more innocent civilians are killed. We are standing with the people of Libya, and we will not waver in our efforts to protect them.
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AMANPOUR: So, as you heard his son, Saif, tell us, Moammar Gadhafi remains in Tripoli, presumably hunkered down. His Tripoli compound is reportedly filled with hundreds of supporters, including women and children. Could they make up a human shield, a possible last line of defense for the embattled leader?
Until just weeks ago, Ali Suleiman Aujali was Gadhafi's voice in the United States, the Libyan ambassador to this country. But Aujali has turned against Gadhafi and is now a leading voice of the opposition. He joins me here at the Newseum in Washington.
And from New York, a man whose country led the call for air strikes we're seeing right now, France's ambassador to the United Nations, Gerard Araud.
Gentlemen, welcome, both, to this program.
AUJALI: Thank you.
AMANPOUR: Let me ask you first, former Ambassador Aujali, what is in the mind of Gadhafi right now? This is a man you know, you served. Under this threat, will he fold?
AUJALI: I think there is one thing in the mind of Gadhafi, that he will not step down at all. He will fight until the end.
AMANPOUR: So everything that his son is telling us, that he's telling us is not just bravado?
AMANPOUR: He will fight?
AUJALI: He will fight. He will fight. He has no other choice. He has no shelter to go. And this is his -- his attitude. He will never give up. ARAUD: Yes.
AMANPOUR: So how will this end?
AUJALI: Well, the end -- now I think there is a good chance after the air strikes, after the revolutionaries being protected by -- from the Gadhafi hitting, I think now they'll start marching to the -- to the east. And we have to -- we have to break the siege against Tripoli. If Tripoli...
AMANPOUR: So you're hoping that the rebels will keep marching on to the capital...