Transcript for Secretary of State Rex Tillerson says he 'never considered' quitting

said it twice. Let's get more from Martha Raddatz. You saw the statements from the white house and the secretary of state yesterday but it's no secret there has been a lot of friction between the white house and the secretary of state over Iran, over North Korea, over the charlottesville incident and that could make it more difficult for the second of Tate to do his job overseas. I think that's right, George. Hard to see how it doesn't underpine his effort. You could look at it as a good cop/bad cop approach but foreign leaders know it's the president who ultimately makes decisions. We heard senator corker say tillerson is just not getting the support he needs from the administration adding that tillerson like secretary Mattis is helping to, quote, separate our country from chaos. Hard to see how long he can stay under these conditions. On another front we learned overnight that at least three U.S. Special forces were killed in an ambush in the African country of Niger. Reporter: Right, George, there are about 400 U.S. Military personnel in Niger helping the Niger military with counterterrorism methods against Al Qaeda and ISIS but most are at a drone base. The three green berets killed and two wounded were on patrol with the Niger soldiers when they were ambushed. Not clear who attacked them. Let's go to Michael.

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