reporter jean guerrero, with the san diego public media station kpbs, is writing a book on miller and joins me to talk about what these emails say and his thinking as he exertsshed on influence on the president's approach to immigration. jean guerrero, welcome back to the newshour. >> great to be here. >> woodruff: tell us, first of all, these emails were an exchange between stephen miller and whom? >> they were changes between stephen miller and breitbart. there are abtt 900 o emails, and they were sent when he was working for alabama center jeff sessions and while he was on the trump mpaign. and essentially, what happened is there was a breitbart editor named katyccoup was fired in 2017. shy since rennced the far-right movement, and she decided she was going to take these emails and share them with the southern poverty lawenter to expose the white nationalism that she says is affect ago or influencing the trump administration in its formation of immigration policies. >> woodruff: and just for those who might not know, breitbart a far-right news website, and that's where she worked u

judy: jean guerrero, doing a lot of reporting on this.emails are out there to examine and i know people will want to look at those emails themselves. i kw they are posted on the site of the southern poverty law center. thank you. >> thank you. ♪ judy: now, to afghanistan and our exclusive look time taliban lines. the u.s. has been fighting there since the 9/11 attacks by al qaeda. they were hosted in afghanistan by the taliban. dia movement of l extremista that ruled witrsh interpretation of islam. a u.s. led coalition ousted them in 2001 but the taliban weekly formed into an insurgent group fighting the american military and democratic afghan government th replaced them. 18 year later, fighting there rages more violently than ever and some are drawing the ntatn to the means of fighting. we are reporting on the constant presence o rages largely out of view. reporter: these are the faces of america's most persistent enemy. u.s. soldiers have been battling the taliban for dearly two de leading up to 9/11, the taliban lled over much of afgha