discussion like that because what s going to happen in iraq is going to changing from day by day, week by week, year by year. was it worth it for men and women to volunteer to serve their country to go abroad to live will be in danger to sacrifice their lives and limbs and health for this country? if we believe in the united states of america and what we stand for, yes, it s worth it. got to put the right people in office to make the right decisions. that s not the responsibility of the men and women in uniform. they trusted the leadership of the united states. and if we believe in this country, we ll both do our duty to serve and we ll do our duty to vote. general wesley clark, thank you for your thoughts. as as you, thank you for your service, sir. thank you. when we come back, we re starting to see the horror the extremists overrunning iraq are capable of. are they now the world s biggest terrorist threat. and it s an excuse the average college professor gets every semester.