. >>> this sunday night on q&a, institute for policies study fellow and anti-war activists phyllis bennet on u.s. foreign policy since 9/11, the recent negotiations with iran and the war on terrorism. >> who is isis? what are their origins? what do they believe? why are they so violent? all those questions are important and i address them all in the book. and i think what's more important in some ways, because it's something we can do something about is what is the u.s. policy regarding isis? why isn't it working? can we really go to war against terrorism? are we just doing the war wrong or is it wrong to say there should be a war against terrorism at all? i think those are the questions that in some ways are the most important and that will be the most useful. >> sunday night at a 8:00 eastern and pacific on c-span's q&a. >>> so far this year, the c-span's cities tour along with our cable affiliates has visited over a dozen cities across the country, revealing their unique history and literary life. this weekend will showcase some of the places we've been in 2015. >> one day, when i see