mr. brennen, thank you. we are joined by two members of the bush administration's national security team. former secretary of homeland security michael chertoff and former director of the cia, michael hayden. welcome to both of you. general hayden be, let me begin with you. reaction to what you heard here from mr. brennen, specificall on new threats being posed by yemen and al qaeda in yemen. >> i agree totally with what john pointed out. we've been watching yemen. as pressure increased in pakistan we always look to yemen and somalia as a place where the senior leadership could slip to. the senior leadership has not gone there but we've seen a steady growth in al qaeda since 2006, there was a massive jail break in yemen, about two dozen al qaeda members incarcerated escaped, from that point on we've seen the steady growth of al qaeda and their use of yemen as a safe haven. >> should there be accountability on the part of bush national security officials like yourself at a time when there were detainees from