avoid other than if something is engaged you can mechanically get out of the way. if something is going to be targeted it's going to come town. >> again, this is the area we'll all be watching for the next few days. always dangerous, today in particular. we do have more reporting on the aborted military strike in iran. also, joe biden facing scrutiny for his comments about working with segregationists, so next cnn goes to south carolina where voters can make-or-break presidential campaigns.