>> yes. so, i mean, the process of elimination already underway as people are looking at these possibilities. lion air has had safety issues in the past, but apparently had improved in recent years. how significant is this? >> it is significant, rosemary. lion air was banned from flying into the european union, for example, for several years. and its permission to fly back into the e.u. was only restored last year after it had worked on its issues. so, this is a significant setback for lion air. and it would indicate that there are some problems in terms of its safety culture with lion air because there have been a number of other issues, as you mention. >> now, as you mentioned, it does appear that weather did not play a role in this crash. you listed there mechanical issues, human error, or criminal