second, lieutenant commander tim cronin to my immediate left is currently a signed as the advanced operational law fellow at the u.s. army center for law and military operations in charlottesville. in the capacity he manages and teaches the domestic operations portfolio. third, jeff greene is now the director of government affairs for north america and senior policy counsel. before joining, jeff was senior counsel with the same homeland security and governmental affairs committee. jeff also worked on house committee on homeland security and was counsel to the senate hurricane katrina investigation. batting cleanup, my colleague and friend paul rosenzweig who is the founder of redbridge consulting and homeland security consulting company. is also senior advisor to the chertoff group your impulse former life, one of his, he was deputy assistant secretary for policy at dhs, and there's other titles. so here are the things we hope to touch on in the next hour with you. first, what other drivers? would've been the main drivers in the developing of homeland defense, particularly in the years since 9