the exciting thing is that homocysteine is potentially usually treatable. taking extra doses of the vitamins that are involved in the metabolism of homocysteine-- b12, b6, and especially folic acid-- can lower homocysteine levels with extra intake. and so a number of clinical trials have now been organized to see if taking extra vitamins and lowering serum homocysteine does result in actually preventing stroke and heart attack. if so, it will be another important addition to our stroke prevention practices. it was a summer of promise for karen christiansen and ken jones. after ten years of marriage, they were expecting their first child. ken was teaching when he got the call... ken jones: it was a person from the y, and when they first started talking about karen, it was very strange because i thought it was going to have something to do with the pregnancy, and then when they said it was a stroke, it took a few minutes for it to kind of sink in. i went to the class, and that's all i remember. i know now that the teacher, she saw that i wasn't acting as norm

he has made a number of homocysteine at the time the former -- he has made a number of promises to at the time the former prime minister, and he has reneged on all of them. he promised to reintegrate the awakening council and to the iraqi security forces. he has reneged on promises made to virtually all of his coalition partners. really, the blame has to begin at the top. >> do you agree with the assertion that the world effectively invaded iraq and then washed its hands of it? >> yes, i do, although that was sort of inevitable. those of us above a certain age will recall the images of the united dates leaving vietnam with the boots of the marine kicking off the vietnamese trying to hang onto the helicopter. that is in the nature of things. certainly, there is fault to go around the international community, but knowing that that is the nature of things, i would ask the iraqi political class and those in positions of power now -- what have they done to minimize the predictable effects of a loss of interest by the international community? >> thank you very much for joining us. >> pleasu