to discuss this, we are joined by daniel marquise. at the council on foreign relations and author of no exit from pakistan america's tortured relationship with islamabad. founding member of the movement for justice party. that is is centralist and major political party in pakistan. and a journalist and the author of the book the faithful scribe, a story of slam, family, and war. thank you for being here. so why -- some of the threats that are based in pakistan. i think most americans are pretty familiar with the problem of terrorism, certainly because of al quaida, but it goats deeper than that. america is al vulnerable because pakistan is not just any average state or a poor state with a terrorist problem, it is also a nuclear armed nation. of as you put it around 200 million people, likely to be something over 300 million by mid century. so this is a challenge. and it's also a region an important region near india, near kind that, the arabian sea, that will be of increasing significance. i think to the world, but a also to u.s. inte