stories on this wednesday, march 18th. announcer: from abc news this is world news now. welcome to you all. hope you had a good st. patrick s day. think some people are out still doing their thing. or recovering from their thing. whatever your thing was, hope you had a good one. we have to start with u.s. air force vet facing charges he was trying to join isis. his name is tairod pugh. we re seeing him there. 47 years old. he will be in court today. expected to plead not guilty. he lived overseas for years, mostly in egypt. authorities sent him back to the u.s. in january. for more here s pierre thomas. the fbi claims pugh was headed to the dark side. an air force veteran and one time american airlines mechanic trying to join isis. he was recently arrested after flying to turkey attempting to get to