Gee, only seven years between when they split up and when he became a terrorist. She should certainly know his state of mind at that point. /sarcasm
Now, this is an interesting point. Obama’s people say the Muslim refugees they’ll bring in will be safe because we will interview them. Obviously, these interviews will reveal more than what a spouse would know. (Of course, how many spouses who thought they knew their partner have been successfully lied to?)
But, ok, let’s say Abdul Xyz is vetted as “ok”. This is sure to hold up in a few years, with people coming from an incredibly violent part of the world, poor skills, and likely to be easily turned? Righto.... (/s)