an analogy. if a doctor treats somebody with cancer, and the cancer goes into remission for 20 years, and then it comes back and it kills the person, was it worth it to treat the cancer? i think the person would argue that it was. we gave afghanistan two decades of freedom. it made the world a better place. and i think veterans now have to understand, don't question whether what you did was worth it or not. >> o'donnell: well, the v.a. is worried about that. we actually learned that the v.a. sent an email to nine million people overnight, reminding veterans that they are not alone, and offering resources like the veterans crisis hotline. cbs news has learned, that hotline has seen a substantial increase in calls since kabul fell on sunday. well, we want to turn now to haiti, where the death toll from saturday's earthquake now tops 1,900, and the search for