the execution of jamgs foley, americans officials warn of a long fight against the islamic extremist group. >> oh, this is beyond anything that we've seen, so we must prepare for everything. >>> i am thrilled to be alive, to be well, and to be reunited with my family. >> a u.s. doctor infected with ebola calls it a miraculous day. he and another american patient are discharged from the hospital after weeks of treatment, free of the deadly disease. >>> now push. all the way. there you go! >> and olympian amy van dyke takes the first step on her road to recovery less than three months after suffering a to recovery less than three months after suffering a devastating injury. captioning funded by cbs >>> this is the "cbs morning news" for friday, august 22nd, 2014. >>> good morning, good to be with you. i'm anne-marie green. u.s. officials say the islamic militant group that killed journalist james foley is the most dangerous and imminent threat to the u.s. in years and the only way to defeat isis is to attack it in syria. >> they marry ideology, a tactical military prow well. they are t

covered by nearly all health insurance and medicare plans. fs s :s the execution of jamgs foley, americansg fight against the islamic extremist group. >> oh, this is beyond anything that we've seen so we must prepare for everything. >>> i am thrilled to be alive, to be well and to be reunited with my family. >> a u.s. doctor infected with ebola calls it a miraculous day. he and another american patient are discharged from the hospital after weeks of treatment, free of the deadly disease. >>> now push. all the way. there you go! >> and olympian amy van dyke takes the first step on her road to recovery less