good thursday morning to you all. i'm t.j. holmes. >> i'm brandi hitt, in for reena ninan. here are some of the headlines we're following this morning on "world news now." hundreds of american troops are headed to iraq to help battle against isis. their main job is to provide much-needed training to iraqi forces. full details in just a moment. the search for those escapees from an upstate new york prison has expanded to neighboring vermont, where investigators are checking camp sites and boat slips. those details in just a moment. and abc news has learned that the centers for disease control will can issuing an alert today to all u.s. medical personnel about the growing outbreak of middle east respiratory syndrome, or mers in south korea. and an unprecedented family leave policy now offered from richard branson's virgin group. some new moms and dads will be