anand giridharadas joins us. >> plus -- >> admiral kirby, you have to stop coming on days like this. they chum up the waters and then they throw you in. so do i apologize at the beginning of the conversation or at the end? >> joe, these are the only days you invite me on. >> fair enough. okay, come on. this was a quid pro quo, admiral. >> yeah. it's going to be one of those days. that was john kirby responding in august. >> he's great. >> a good guy. but he was responding then to accusations of a quid pro quo with iran for american detainees. this morning, he joins us again to talk about the allegations of quid pro quos once again. he's next when "morning joe" comes right back. ♪ ♪ ♪ only those who dare drive the world forward. the cadillac ct6. in the fight against isis and the u.s. is assisting kurdish and iraqi troops in the offensive to retake the city of mosul. the islamic state's last major stronghold in iraq. between iraqi and peshmerga forces, approximately 20 villages have been secured in the outskirts of the city. here's nbc's chief foreign correspondent richard engel in ir