Flight Plans Over Conflict Zones

It's been a busy week in the world of aviation - MH17 shot down in Ukraine and the Federal Aviation Administration (FAA) banning US-airlines from flying to Tel Aviv for 24 hours. Barbara Peterson, senior aviation correspondent for Conde Nast Traveler and Jacques Astre, an airline transport pilot with over 30 years experience as an aviation safety inspector with the FAA, talk about how flight plans deal with conflict zones.